64428639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 99317760

約数和(自身を除く): 34889121

約数列:

[1, 3, 11, 19, 33, 57, 209, 211, 487, 627, 633, 1461, 2321, 4009, 5357, 6963, 9253, 12027, 16071, 27759, 44099, 101783, 102757, 132297, 305349, 308271, 1130327, 1952383, 3390981, 5857149, 21476213, 64428639]

約数ペア:

[(1, 64428639), (3, 21476213), (11, 5857149), (19, 3390981), (33, 1952383), (57, 1130327), (209, 308271), (211, 305349), (487, 132297), (627, 102757), (633, 101783), (1461, 44099), (2321, 27759), (4009, 16071), (5357, 12027), (6963, 9253)]