16953309

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 25451712

約数和(自身を除く): 8498403

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 617, 639, 1851, 3053, 5553, 9159, 26531, 27477, 43807, 79593, 131421, 238779, 394263, 1883701, 5651103, 16953309]

約数ペア:

[(1, 16953309), (3, 5651103), (9, 1883701), (43, 394263), (71, 238779), (129, 131421), (213, 79593), (387, 43807), (617, 27477), (639, 26531), (1851, 9159), (3053, 5553)]