30813081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 45749760

約数和(自身を除く): 14936679

約数列:

[1, 3, 13, 39, 73, 79, 137, 219, 237, 411, 949, 1027, 1781, 2847, 3081, 5343, 5767, 10001, 10823, 17301, 30003, 32469, 74971, 130013, 140699, 224913, 390039, 422097, 790079, 2370237, 10271027, 30813081]

約数ペア:

[(1, 30813081), (3, 10271027), (13, 2370237), (39, 790079), (73, 422097), (79, 390039), (137, 224913), (219, 140699), (237, 130013), (411, 74971), (949, 32469), (1027, 30003), (1781, 17301), (2847, 10823), (3081, 10001), (5343, 5767)]