31155201

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 58315712

約数和(自身を除く): 27160511

約数列:

[1, 3, 7, 9, 11, 21, 33, 61, 63, 67, 77, 99, 121, 183, 201, 231, 363, 427, 469, 549, 603, 671, 693, 737, 847, 1089, 1281, 1407, 2013, 2211, 2541, 3843, 4087, 4221, 4697, 5159, 6039, 6633, 7381, 7623, 8107, 12261, 14091, 15477, 22143, 24321, 28609, 36783, 42273, 44957, 46431, 51667, 56749, 66429, 72963, 85827, 134871, 155001, 170247, 257481, 314699, 404613, 465003, 494527, 510741, 944097, 1483581, 2832291, 3461689, 4450743, 10385067, 31155201]

約数ペア:

[(1, 31155201), (3, 10385067), (7, 4450743), (9, 3461689), (11, 2832291), (21, 1483581), (33, 944097), (61, 510741), (63, 494527), (67, 465003), (77, 404613), (99, 314699), (121, 257481), (183, 170247), (201, 155001), (231, 134871), (363, 85827), (427, 72963), (469, 66429), (549, 56749), (603, 51667), (671, 46431), (693, 44957), (737, 42273), (847, 36783), (1089, 28609), (1281, 24321), (1407, 22143), (2013, 15477), (2211, 14091), (2541, 12261), (3843, 8107), (4087, 7623), (4221, 7381), (4697, 6633), (5159, 6039)]