16681365

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 30176640

約数和(自身を除く): 13495275

約数列:

[1, 3, 5, 9, 15, 45, 59, 61, 103, 177, 183, 295, 305, 309, 515, 531, 549, 885, 915, 927, 1545, 2655, 2745, 3599, 4635, 6077, 6283, 10797, 17995, 18231, 18849, 30385, 31415, 32391, 53985, 54693, 56547, 91155, 94245, 161955, 273465, 282735, 370697, 1112091, 1853485, 3336273, 5560455, 16681365]

約数ペア:

[(1, 16681365), (3, 5560455), (5, 3336273), (9, 1853485), (15, 1112091), (45, 370697), (59, 282735), (61, 273465), (103, 161955), (177, 94245), (183, 91155), (295, 56547), (305, 54693), (309, 53985), (515, 32391), (531, 31415), (549, 30385), (885, 18849), (915, 18231), (927, 17995), (1545, 10797), (2655, 6283), (2745, 6077), (3599, 4635)]