200728521

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 365776320

約数和(自身を除く): 165047799

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 317, 399, 437, 483, 529, 951, 1197, 1311, 1449, 1587, 2219, 2853, 3059, 3703, 3933, 4761, 6023, 6657, 7291, 9177, 10051, 11109, 18069, 19971, 21873, 27531, 30153, 33327, 42161, 51037, 54207, 65619, 70357, 90459, 126483, 138529, 153111, 167693, 211071, 379449, 415587, 459333, 503079, 633213, 969703, 1173851, 1246761, 1509237, 2909109, 3186167, 3521553, 8727327, 9558501, 10564659, 22303169, 28675503, 66909507, 200728521]

約数ペア:

[(1, 200728521), (3, 66909507), (7, 28675503), (9, 22303169), (19, 10564659), (21, 9558501), (23, 8727327), (57, 3521553), (63, 3186167), (69, 2909109), (133, 1509237), (161, 1246761), (171, 1173851), (207, 969703), (317, 633213), (399, 503079), (437, 459333), (483, 415587), (529, 379449), (951, 211071), (1197, 167693), (1311, 153111), (1449, 138529), (1587, 126483), (2219, 90459), (2853, 70357), (3059, 65619), (3703, 54207), (3933, 51037), (4761, 42161), (6023, 33327), (6657, 30153), (7291, 27531), (9177, 21873), (10051, 19971), (11109, 18069)]