42838965

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 82903392

約数和(自身を除く): 40064427

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 131, 169, 195, 215, 387, 393, 507, 559, 585, 645, 655, 845, 1179, 1521, 1677, 1703, 1935, 1965, 2535, 2795, 5031, 5109, 5633, 5895, 7267, 7605, 8385, 8515, 15327, 16899, 21801, 22139, 25155, 25545, 28165, 36335, 50697, 65403, 66417, 73229, 76635, 84495, 109005, 110695, 199251, 219687, 253485, 327015, 332085, 366145, 659061, 951977, 996255, 1098435, 2855931, 3295305, 4759885, 8567793, 14279655, 42838965]

約数ペア:

[(1, 42838965), (3, 14279655), (5, 8567793), (9, 4759885), (13, 3295305), (15, 2855931), (39, 1098435), (43, 996255), (45, 951977), (65, 659061), (117, 366145), (129, 332085), (131, 327015), (169, 253485), (195, 219687), (215, 199251), (387, 110695), (393, 109005), (507, 84495), (559, 76635), (585, 73229), (645, 66417), (655, 65403), (845, 50697), (1179, 36335), (1521, 28165), (1677, 25545), (1703, 25155), (1935, 22139), (1965, 21801), (2535, 16899), (2795, 15327), (5031, 8515), (5109, 8385), (5633, 7605), (5895, 7267)]