312906495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 563521536

約数和(自身を除く): 250615041

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 157, 165, 235, 257, 471, 517, 705, 771, 785, 1285, 1551, 1727, 2355, 2585, 2827, 3855, 5181, 7379, 7755, 8481, 8635, 12079, 14135, 22137, 25905, 36237, 36895, 40349, 42405, 60395, 81169, 110685, 121047, 132869, 181185, 201745, 243507, 398607, 405845, 443839, 605235, 664345, 1217535, 1331517, 1896403, 1993035, 2219195, 5689209, 6657585, 9482015, 20860433, 28446045, 62581299, 104302165, 312906495]

約数ペア:

[(1, 312906495), (3, 104302165), (5, 62581299), (11, 28446045), (15, 20860433), (33, 9482015), (47, 6657585), (55, 5689209), (141, 2219195), (157, 1993035), (165, 1896403), (235, 1331517), (257, 1217535), (471, 664345), (517, 605235), (705, 443839), (771, 405845), (785, 398607), (1285, 243507), (1551, 201745), (1727, 181185), (2355, 132869), (2585, 121047), (2827, 110685), (3855, 81169), (5181, 60395), (7379, 42405), (7755, 40349), (8481, 36895), (8635, 36237), (12079, 25905), (14135, 22137)]