81211758

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{5399}}^1$

素因数の和:5536

約数の個数: 32

約数和(自身を含む): 171072000

約数和(自身を除く): 89860242

約数列:

[1, 2, 3, 6, 23, 46, 69, 109, 138, 218, 327, 654, 2507, 5014, 5399, 7521, 10798, 15042, 16197, 32394, 124177, 248354, 372531, 588491, 745062, 1176982, 1765473, 3530946, 13535293, 27070586, 40605879, 81211758]

約数ペア:

[(1, 81211758), (2, 40605879), (3, 27070586), (6, 13535293), (23, 3530946), (46, 1765473), (69, 1176982), (109, 745062), (138, 588491), (218, 372531), (327, 248354), (654, 124177), (2507, 32394), (5014, 16197), (5399, 15042), (7521, 10798)]