28958553

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 47698560

約数和(自身を除く): 18740007

約数列:

[1, 3, 9, 13, 27, 39, 81, 89, 103, 117, 243, 267, 309, 351, 801, 927, 1053, 1157, 1339, 2403, 2781, 3159, 3471, 4017, 7209, 8343, 9167, 10413, 12051, 21627, 25029, 27501, 31239, 36153, 82503, 93717, 108459, 119171, 247509, 281151, 325377, 357513, 742527, 1072539, 2227581, 3217617, 9652851, 28958553]

約数ペア:

[(1, 28958553), (3, 9652851), (9, 3217617), (13, 2227581), (27, 1072539), (39, 742527), (81, 357513), (89, 325377), (103, 281151), (117, 247509), (243, 119171), (267, 108459), (309, 93717), (351, 82503), (801, 36153), (927, 31239), (1053, 27501), (1157, 25029), (1339, 21627), (2403, 12051), (2781, 10413), (3159, 9167), (3471, 8343), (4017, 7209)]