205121910285

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1\times {\mathrm{1889}}^1$

素因数の和:3435

約数の個数: 96

約数和(自身を含む): 378928368000

約数和(自身を除く): 173806457715

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 171, 267, 285, 445, 801, 855, 1335, 1427, 1691, 1889, 4005, 4281, 5073, 5667, 7135, 8455, 9445, 12843, 15219, 17001, 21405, 25365, 27113, 28335, 35891, 64215, 76095, 81339, 85005, 107673, 127003, 135565, 168121, 179455, 244017, 323019, 381009, 406695, 504363, 538365, 635015, 840605, 1143027, 1220085, 1513089, 1615095, 1905045, 2413057, 2521815, 2695603, 3194299, 5715135, 7239171, 7565445, 8086809, 9582897, 12065285, 13478015, 15971495, 21717513, 24260427, 28748691, 36195855, 40434045, 47914485, 51216457, 108587565, 121302135, 143743455, 153649371, 239908667, 256082285, 460948113, 719726001, 768246855, 1199543335, 2159178003, 2304740565, 3598630005, 4558264673, 10795890015, 13674794019, 22791323365, 41024382057, 68373970095, 205121910285]

約数ペア:

[(1, 205121910285), (3, 68373970095), (5, 41024382057), (9, 22791323365), (15, 13674794019), (19, 10795890015), (45, 4558264673), (57, 3598630005), (89, 2304740565), (95, 2159178003), (171, 1199543335), (267, 768246855), (285, 719726001), (445, 460948113), (801, 256082285), (855, 239908667), (1335, 153649371), (1427, 143743455), (1691, 121302135), (1889, 108587565), (4005, 51216457), (4281, 47914485), (5073, 40434045), (5667, 36195855), (7135, 28748691), (8455, 24260427), (9445, 21717513), (12843, 15971495), (15219, 13478015), (17001, 12065285), (21405, 9582897), (25365, 8086809), (27113, 7565445), (28335, 7239171), (35891, 5715135), (64215, 3194299), (76095, 2695603), (81339, 2521815), (85005, 2413057), (107673, 1905045), (127003, 1615095), (135565, 1513089), (168121, 1220085), (179455, 1143027), (244017, 840605), (323019, 635015), (381009, 538365), (406695, 504363)]