12421305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 24570000

約数和(自身を除く): 12148695

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1249, 1989, 3315, 3747, 6245, 9945, 11241, 16237, 18735, 21233, 48711, 56205, 63699, 81185, 106165, 146133, 191097, 243555, 276029, 318495, 730665, 828087, 955485, 1380145, 2484261, 4140435, 12421305]

約数ペア:

[(1, 12421305), (3, 4140435), (5, 2484261), (9, 1380145), (13, 955485), (15, 828087), (17, 730665), (39, 318495), (45, 276029), (51, 243555), (65, 191097), (85, 146133), (117, 106165), (153, 81185), (195, 63699), (221, 56205), (255, 48711), (585, 21233), (663, 18735), (765, 16237), (1105, 11241), (1249, 9945), (1989, 6245), (3315, 3747)]