30505839

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 50502144

約数和(自身を除く): 19996305

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 853, 917, 1703, 2559, 2751, 5109, 5971, 11089, 11921, 17913, 33267, 35763, 77623, 111743, 232869, 335229, 782201, 1452659, 2346603, 4357977, 10168613, 30505839]

約数ペア:

[(1, 30505839), (3, 10168613), (7, 4357977), (13, 2346603), (21, 1452659), (39, 782201), (91, 335229), (131, 232869), (273, 111743), (393, 77623), (853, 35763), (917, 33267), (1703, 17913), (2559, 11921), (2751, 11089), (5109, 5971)]