311955969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{761}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 469050624

約数和(自身を除く): 157094655

約数列:

[1, 3, 13, 23, 39, 69, 299, 457, 761, 897, 1371, 2283, 5941, 9893, 10511, 17503, 17823, 29679, 31533, 52509, 136643, 227539, 347777, 409929, 682617, 1043331, 4521101, 7998871, 13563303, 23996613, 103985323, 311955969]

約数ペア:

[(1, 311955969), (3, 103985323), (13, 23996613), (23, 13563303), (39, 7998871), (69, 4521101), (299, 1043331), (457, 682617), (761, 409929), (897, 347777), (1371, 227539), (2283, 136643), (5941, 52509), (9893, 31533), (10511, 29679), (17503, 17823)]