181508733

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 309194496

約数和(自身を除く): 127685763

約数列:

[1, 3, 7, 9, 21, 61, 63, 73, 183, 219, 427, 511, 549, 647, 657, 1281, 1533, 1941, 3843, 4453, 4529, 4599, 5823, 13359, 13587, 31171, 39467, 40077, 40761, 47231, 93513, 118401, 141693, 276269, 280539, 330617, 355203, 425079, 828807, 991851, 2486421, 2881091, 2975553, 8643273, 20167637, 25929819, 60502911, 181508733]

約数ペア:

[(1, 181508733), (3, 60502911), (7, 25929819), (9, 20167637), (21, 8643273), (61, 2975553), (63, 2881091), (73, 2486421), (183, 991851), (219, 828807), (427, 425079), (511, 355203), (549, 330617), (647, 280539), (657, 276269), (1281, 141693), (1533, 118401), (1941, 93513), (3843, 47231), (4453, 40761), (4529, 40077), (4599, 39467), (5823, 31171), (13359, 13587)]