227977425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1901}}^1$

素因数の和:1971

約数の個数: 72

約数和(自身を含む): 450705528

約数和(自身を除く): 222728103

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 45, 65, 75, 117, 123, 195, 205, 225, 325, 369, 533, 585, 615, 975, 1025, 1599, 1845, 1901, 2665, 2925, 3075, 4797, 5703, 7995, 9225, 9505, 13325, 17109, 23985, 24713, 28515, 39975, 47525, 74139, 77941, 85545, 119925, 123565, 142575, 222417, 233823, 370695, 389705, 427725, 617825, 701469, 1013233, 1112085, 1169115, 1853475, 1948525, 3039699, 3507345, 5066165, 5560425, 5845575, 9119097, 15198495, 17536725, 25330825, 45595485, 75992475, 227977425]

約数ペア:

[(1, 227977425), (3, 75992475), (5, 45595485), (9, 25330825), (13, 17536725), (15, 15198495), (25, 9119097), (39, 5845575), (41, 5560425), (45, 5066165), (65, 3507345), (75, 3039699), (117, 1948525), (123, 1853475), (195, 1169115), (205, 1112085), (225, 1013233), (325, 701469), (369, 617825), (533, 427725), (585, 389705), (615, 370695), (975, 233823), (1025, 222417), (1599, 142575), (1845, 123565), (1901, 119925), (2665, 85545), (2925, 77941), (3075, 74139), (4797, 47525), (5703, 39975), (7995, 28515), (9225, 24713), (9505, 23985), (13325, 17109)]