38138415

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2772

約数の個数: 48

約数和(自身を含む): 74747520

約数和(自身を除く): 36609105

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2731, 2793, 4655, 8193, 13655, 13965, 19117, 40965, 51889, 57351, 95585, 133819, 155667, 259445, 286755, 363223, 401457, 669095, 778335, 1089669, 1816115, 2007285, 2542561, 5448345, 7627683, 12712805, 38138415]

約数ペア:

[(1, 38138415), (3, 12712805), (5, 7627683), (7, 5448345), (15, 2542561), (19, 2007285), (21, 1816115), (35, 1089669), (49, 778335), (57, 669095), (95, 401457), (105, 363223), (133, 286755), (147, 259445), (245, 155667), (285, 133819), (399, 95585), (665, 57351), (735, 51889), (931, 40965), (1995, 19117), (2731, 13965), (2793, 13655), (4655, 8193)]