25103025

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 47973120

約数和(自身を除く): 22870095

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 59, 61, 75, 93, 155, 177, 183, 225, 279, 295, 305, 465, 531, 549, 775, 885, 915, 1395, 1475, 1525, 1829, 1891, 2325, 2655, 2745, 3599, 4425, 4575, 5487, 5673, 6975, 9145, 9455, 10797, 13275, 13725, 16461, 17019, 17995, 27435, 28365, 32391, 45725, 47275, 53985, 82305, 85095, 89975, 111569, 137175, 141825, 161955, 269925, 334707, 411525, 425475, 557845, 809775, 1004121, 1673535, 2789225, 5020605, 8367675, 25103025]

約数ペア:

[(1, 25103025), (3, 8367675), (5, 5020605), (9, 2789225), (15, 1673535), (25, 1004121), (31, 809775), (45, 557845), (59, 425475), (61, 411525), (75, 334707), (93, 269925), (155, 161955), (177, 141825), (183, 137175), (225, 111569), (279, 89975), (295, 85095), (305, 82305), (465, 53985), (531, 47275), (549, 45725), (775, 32391), (885, 28365), (915, 27435), (1395, 17995), (1475, 17019), (1525, 16461), (1829, 13725), (1891, 13275), (2325, 10797), (2655, 9455), (2745, 9145), (3599, 6975), (4425, 5673), (4575, 5487)]