17957619

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 40

約数和(自身を含む): 28226880

約数和(自身を除く): 10269261

約数列:

[1, 3, 9, 27, 47, 53, 81, 89, 141, 159, 267, 423, 477, 801, 1269, 1431, 2403, 2491, 3807, 4183, 4293, 4717, 7209, 7473, 12549, 14151, 22419, 37647, 42453, 67257, 112941, 127359, 201771, 221699, 338823, 382077, 665097, 1995291, 5985873, 17957619]

約数ペア:

[(1, 17957619), (3, 5985873), (9, 1995291), (27, 665097), (47, 382077), (53, 338823), (81, 221699), (89, 201771), (141, 127359), (159, 112941), (267, 67257), (423, 42453), (477, 37647), (801, 22419), (1269, 14151), (1431, 12549), (2403, 7473), (2491, 7209), (3807, 4717), (4183, 4293)]