393764777721

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{17707}}^1$

素因数の和:17995

約数の個数: 96

約数和(自身を含む): 689507020800

約数和(自身を除く): 295742243079

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 103, 149, 161, 207, 309, 447, 483, 721, 927, 1043, 1341, 1449, 2163, 2369, 3129, 3427, 6489, 7107, 9387, 10281, 15347, 16583, 17707, 21321, 23989, 30843, 46041, 49749, 53121, 71967, 107429, 123949, 138123, 149247, 159363, 215901, 322287, 352981, 371847, 407261, 966861, 1058943, 1115541, 1221783, 1823821, 2470867, 2638343, 2850827, 3176829, 3665349, 5471463, 7412601, 7915029, 8552481, 12766747, 16414389, 18468401, 22237803, 23745087, 25657443, 38300241, 41947883, 55405203, 60681889, 114900723, 125843649, 166215609, 182045667, 271749329, 293635181, 377530947, 424773223, 546137001, 815247987, 880905543, 1274319669, 1902245303, 2445743961, 2642716629, 3822959007, 5706735909, 6250234567, 17120207727, 18750703701, 43751641969, 56252111103, 131254925907, 393764777721]

約数ペア:

[(1, 393764777721), (3, 131254925907), (7, 56252111103), (9, 43751641969), (21, 18750703701), (23, 17120207727), (63, 6250234567), (69, 5706735909), (103, 3822959007), (149, 2642716629), (161, 2445743961), (207, 1902245303), (309, 1274319669), (447, 880905543), (483, 815247987), (721, 546137001), (927, 424773223), (1043, 377530947), (1341, 293635181), (1449, 271749329), (2163, 182045667), (2369, 166215609), (3129, 125843649), (3427, 114900723), (6489, 60681889), (7107, 55405203), (9387, 41947883), (10281, 38300241), (15347, 25657443), (16583, 23745087), (17707, 22237803), (21321, 18468401), (23989, 16414389), (30843, 12766747), (46041, 8552481), (49749, 7915029), (53121, 7412601), (71967, 5471463), (107429, 3665349), (123949, 3176829), (138123, 2850827), (149247, 2638343), (159363, 2470867), (215901, 1823821), (322287, 1221783), (352981, 1115541), (371847, 1058943), (407261, 966861)]