206744475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 402282288

約数和(自身を除く): 195537813

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 101, 105, 147, 175, 245, 303, 505, 525, 557, 707, 735, 1225, 1515, 1671, 2121, 2525, 2785, 3535, 3675, 3899, 4949, 7575, 8355, 10605, 11697, 13925, 14847, 17675, 19495, 24745, 27293, 41775, 53025, 56257, 58485, 74235, 81879, 97475, 123725, 136465, 168771, 281285, 292425, 371175, 393799, 409395, 682325, 843855, 1181397, 1406425, 1968995, 2046975, 2756593, 4219275, 5906985, 8269779, 9844975, 13782965, 29534925, 41348895, 68914825, 206744475]

約数ペア:

[(1, 206744475), (3, 68914825), (5, 41348895), (7, 29534925), (15, 13782965), (21, 9844975), (25, 8269779), (35, 5906985), (49, 4219275), (75, 2756593), (101, 2046975), (105, 1968995), (147, 1406425), (175, 1181397), (245, 843855), (303, 682325), (505, 409395), (525, 393799), (557, 371175), (707, 292425), (735, 281285), (1225, 168771), (1515, 136465), (1671, 123725), (2121, 97475), (2525, 81879), (2785, 74235), (3535, 58485), (3675, 56257), (3899, 53025), (4949, 41775), (7575, 27293), (8355, 24745), (10605, 19495), (11697, 17675), (13925, 14847)]