30709749

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 17397771

約数列:

[1, 3, 7, 21, 79, 107, 173, 237, 321, 519, 553, 749, 1211, 1659, 2247, 3633, 8453, 13667, 18511, 25359, 41001, 55533, 59171, 95669, 129577, 177513, 287007, 388731, 1462369, 4387107, 10236583, 30709749]

約数ペア:

[(1, 30709749), (3, 10236583), (7, 4387107), (21, 1462369), (79, 388731), (107, 287007), (173, 177513), (237, 129577), (321, 95669), (519, 59171), (553, 55533), (749, 41001), (1211, 25359), (1659, 18511), (2247, 13667), (3633, 8453)]