66719445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 120341760

約数和(自身を除く): 53622315

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 73, 109, 129, 195, 215, 219, 327, 365, 545, 559, 645, 949, 1095, 1417, 1635, 1677, 2795, 2847, 3139, 4251, 4687, 4745, 7085, 7957, 8385, 9417, 14061, 14235, 15695, 21255, 23435, 23871, 39785, 40807, 47085, 60931, 70305, 103441, 119355, 122421, 182793, 204035, 304655, 310323, 342151, 517205, 612105, 913965, 1026453, 1551615, 1710755, 4447963, 5132265, 13343889, 22239815, 66719445]

約数ペア:

[(1, 66719445), (3, 22239815), (5, 13343889), (13, 5132265), (15, 4447963), (39, 1710755), (43, 1551615), (65, 1026453), (73, 913965), (109, 612105), (129, 517205), (195, 342151), (215, 310323), (219, 304655), (327, 204035), (365, 182793), (545, 122421), (559, 119355), (645, 103441), (949, 70305), (1095, 60931), (1417, 47085), (1635, 40807), (1677, 39785), (2795, 23871), (2847, 23435), (3139, 21255), (4251, 15695), (4687, 14235), (4745, 14061), (7085, 9417), (7957, 8385)]