215501775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{977}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 379823904

約数和(自身を除く): 164322129

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 173, 255, 425, 519, 865, 977, 1275, 2595, 2931, 2941, 4325, 4885, 8823, 12975, 14655, 14705, 16609, 24425, 44115, 49827, 73275, 73525, 83045, 169021, 220575, 249135, 415225, 507063, 845105, 1245675, 2535315, 2873357, 4225525, 8620071, 12676575, 14366785, 43100355, 71833925, 215501775]

約数ペア:

[(1, 215501775), (3, 71833925), (5, 43100355), (15, 14366785), (17, 12676575), (25, 8620071), (51, 4225525), (75, 2873357), (85, 2535315), (173, 1245675), (255, 845105), (425, 507063), (519, 415225), (865, 249135), (977, 220575), (1275, 169021), (2595, 83045), (2931, 73525), (2941, 73275), (4325, 49827), (4885, 44115), (8823, 24425), (12975, 16609), (14655, 14705)]