7278975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 15146352

約数和(自身を除く): 7867377

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 153, 165, 173, 187, 225, 255, 275, 425, 495, 519, 561, 765, 825, 865, 935, 1275, 1557, 1683, 1903, 2475, 2595, 2805, 2941, 3825, 4325, 4675, 5709, 7785, 8415, 8823, 9515, 12975, 14025, 14705, 17127, 26469, 28545, 32351, 38925, 42075, 44115, 47575, 73525, 85635, 97053, 132345, 142725, 161755, 220575, 291159, 428175, 485265, 661725, 808775, 1455795, 2426325, 7278975]

約数ペア:

[(1, 7278975), (3, 2426325), (5, 1455795), (9, 808775), (11, 661725), (15, 485265), (17, 428175), (25, 291159), (33, 220575), (45, 161755), (51, 142725), (55, 132345), (75, 97053), (85, 85635), (99, 73525), (153, 47575), (165, 44115), (173, 42075), (187, 38925), (225, 32351), (255, 28545), (275, 26469), (425, 17127), (495, 14705), (519, 14025), (561, 12975), (765, 9515), (825, 8823), (865, 8415), (935, 7785), (1275, 5709), (1557, 4675), (1683, 4325), (1903, 3825), (2475, 2941), (2595, 2805)]