128472291

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3491}}^1$

素因数の和:3576

約数の個数: 32

約数和(自身を含む): 201139200

約数和(自身を除く): 72666909

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 423, 783, 1269, 1363, 3491, 4089, 10473, 12267, 31419, 36801, 94257, 101239, 164077, 303717, 492231, 911151, 1476693, 2733453, 4430079, 4758233, 14274699, 42824097, 128472291]

約数ペア:

[(1, 128472291), (3, 42824097), (9, 14274699), (27, 4758233), (29, 4430079), (47, 2733453), (87, 1476693), (141, 911151), (261, 492231), (423, 303717), (783, 164077), (1269, 101239), (1363, 94257), (3491, 36801), (4089, 31419), (10473, 12267)]