221596291275

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{599}}^1\times {\mathrm{69473}}^1$

素因数の和:70156

約数の個数: 48

約数和(自身を含む): 372158323200

約数和(自身を除く): 150562031925

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 599, 1065, 1775, 1797, 2995, 5325, 8985, 14975, 42529, 44925, 69473, 127587, 208419, 212645, 347365, 637935, 1042095, 1063225, 1736825, 3189675, 4932583, 5210475, 14797749, 24662915, 41614327, 73988745, 123314575, 124842981, 208071635, 369943725, 624214905, 1040358175, 2954617217, 3121074525, 8863851651, 14773086085, 44319258255, 73865430425, 221596291275]

約数ペア:

[(1, 221596291275), (3, 73865430425), (5, 44319258255), (15, 14773086085), (25, 8863851651), (71, 3121074525), (75, 2954617217), (213, 1040358175), (355, 624214905), (599, 369943725), (1065, 208071635), (1775, 124842981), (1797, 123314575), (2995, 73988745), (5325, 41614327), (8985, 24662915), (14975, 14797749), (42529, 5210475), (44925, 4932583), (69473, 3189675), (127587, 1736825), (208419, 1063225), (212645, 1042095), (347365, 637935)]