61717395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 109635840

約数和(自身を除く): 47918445

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 289, 345, 391, 619, 867, 1173, 1445, 1857, 1955, 3095, 4335, 5865, 6647, 9285, 10523, 14237, 19941, 31569, 33235, 42711, 52615, 71185, 99705, 157845, 178891, 213555, 242029, 536673, 726087, 894455, 1210145, 2683365, 3630435, 4114493, 12343479, 20572465, 61717395]

約数ペア:

[(1, 61717395), (3, 20572465), (5, 12343479), (15, 4114493), (17, 3630435), (23, 2683365), (51, 1210145), (69, 894455), (85, 726087), (115, 536673), (255, 242029), (289, 213555), (345, 178891), (391, 157845), (619, 99705), (867, 71185), (1173, 52615), (1445, 42711), (1857, 33235), (1955, 31569), (3095, 19941), (4335, 14237), (5865, 10523), (6647, 9285)]