216018345

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{2339}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 355829760

約数和(自身を除く): 139811415

約数列:

[1, 3, 5, 15, 47, 131, 141, 235, 393, 655, 705, 1965, 2339, 6157, 7017, 11695, 18471, 30785, 35085, 92355, 109933, 306409, 329799, 549665, 919227, 1532045, 1648995, 4596135, 14401223, 43203669, 72006115, 216018345]

約数ペア:

[(1, 216018345), (3, 72006115), (5, 43203669), (15, 14401223), (47, 4596135), (131, 1648995), (141, 1532045), (235, 919227), (393, 549665), (655, 329799), (705, 306409), (1965, 109933), (2339, 92355), (6157, 35085), (7017, 30785), (11695, 18471)]