1990275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 3999744

約数和(自身を除く): 2009469

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 223, 255, 357, 425, 525, 595, 669, 1115, 1275, 1561, 1785, 2975, 3345, 3791, 4683, 5575, 7805, 8925, 11373, 16725, 18955, 23415, 26537, 39025, 56865, 79611, 94775, 117075, 132685, 284325, 398055, 663425, 1990275]

約数ペア:

[(1, 1990275), (3, 663425), (5, 398055), (7, 284325), (15, 132685), (17, 117075), (21, 94775), (25, 79611), (35, 56865), (51, 39025), (75, 26537), (85, 23415), (105, 18955), (119, 16725), (175, 11373), (223, 8925), (255, 7805), (357, 5575), (425, 4683), (525, 3791), (595, 3345), (669, 2975), (1115, 1785), (1275, 1561)]