260857149

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{1051}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 407199744

約数和(自身を除く): 146342595

約数列:

[1, 3, 7, 21, 53, 159, 223, 371, 669, 1051, 1113, 1561, 3153, 4683, 7357, 11819, 22071, 35457, 55703, 82733, 167109, 234373, 248199, 389921, 703119, 1169763, 1640611, 4921833, 12421769, 37265307, 86952383, 260857149]

約数ペア:

[(1, 260857149), (3, 86952383), (7, 37265307), (21, 12421769), (53, 4921833), (159, 1640611), (223, 1169763), (371, 703119), (669, 389921), (1051, 248199), (1113, 234373), (1561, 167109), (3153, 82733), (4683, 55703), (7357, 35457), (11819, 22071)]