72645675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 128241792

約数和(自身を除く): 55596117

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 227, 251, 255, 425, 681, 753, 1135, 1255, 1275, 3405, 3765, 3859, 4267, 5675, 6275, 11577, 12801, 17025, 18825, 19295, 21335, 56977, 57885, 64005, 96475, 106675, 170931, 284885, 289425, 320025, 854655, 968609, 1424425, 2905827, 4273275, 4843045, 14529135, 24215225, 72645675]

約数ペア:

[(1, 72645675), (3, 24215225), (5, 14529135), (15, 4843045), (17, 4273275), (25, 2905827), (51, 1424425), (75, 968609), (85, 854655), (227, 320025), (251, 289425), (255, 284885), (425, 170931), (681, 106675), (753, 96475), (1135, 64005), (1255, 57885), (1275, 56977), (3405, 21335), (3765, 19295), (3859, 18825), (4267, 17025), (5675, 12801), (6275, 11577)]