253670025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^2$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 492708544

約数和(自身を除く): 239038519

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 89, 105, 175, 183, 267, 305, 427, 445, 525, 623, 915, 1281, 1335, 1525, 1869, 2135, 2225, 3115, 4575, 5429, 6405, 6675, 7921, 9345, 10675, 15575, 16287, 23763, 27145, 32025, 38003, 39605, 46725, 55447, 81435, 114009, 118815, 135725, 166341, 190015, 198025, 277235, 407175, 483181, 570045, 594075, 831705, 950075, 1386175, 1449543, 2415905, 2850225, 3382267, 4158525, 7247715, 10146801, 12079525, 16911335, 36238575, 50734005, 84556675, 253670025]

約数ペア:

[(1, 253670025), (3, 84556675), (5, 50734005), (7, 36238575), (15, 16911335), (21, 12079525), (25, 10146801), (35, 7247715), (61, 4158525), (75, 3382267), (89, 2850225), (105, 2415905), (175, 1449543), (183, 1386175), (267, 950075), (305, 831705), (427, 594075), (445, 570045), (525, 483181), (623, 407175), (915, 277235), (1281, 198025), (1335, 190015), (1525, 166341), (1869, 135725), (2135, 118815), (2225, 114009), (3115, 81435), (4575, 55447), (5429, 46725), (6405, 39605), (6675, 38003), (7921, 32025), (9345, 27145), (10675, 23763), (15575, 16287)]