309718851

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{709}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 465669120

約数和(自身を除く): 155950269

約数列:

[1, 3, 13, 23, 39, 69, 299, 487, 709, 897, 1461, 2127, 6331, 9217, 11201, 16307, 18993, 27651, 33603, 48921, 145613, 211991, 345283, 436839, 635973, 1035849, 4488679, 7941509, 13466037, 23824527, 103239617, 309718851]

約数ペア:

[(1, 309718851), (3, 103239617), (13, 23824527), (23, 13466037), (39, 7941509), (69, 4488679), (299, 1035849), (487, 635973), (709, 436839), (897, 345283), (1461, 211991), (2127, 145613), (6331, 48921), (9217, 33603), (11201, 27651), (16307, 18993)]