201591225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1733}}^1$

素因数の和:1807

約数の個数: 72

約数和(自身を含む): 402509952

約数和(自身を除く): 200918727

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 47, 55, 75, 99, 141, 165, 225, 235, 275, 423, 495, 517, 705, 825, 1175, 1551, 1733, 2115, 2475, 2585, 3525, 4653, 5199, 7755, 8665, 10575, 12925, 15597, 19063, 23265, 25995, 38775, 43325, 57189, 77985, 81451, 95315, 116325, 129975, 171567, 244353, 285945, 389925, 407255, 476575, 733059, 857835, 895961, 1221765, 1429725, 2036275, 2687883, 3665295, 4289175, 4479805, 6108825, 8063649, 13439415, 18326475, 22399025, 40318245, 67197075, 201591225]

約数ペア:

[(1, 201591225), (3, 67197075), (5, 40318245), (9, 22399025), (11, 18326475), (15, 13439415), (25, 8063649), (33, 6108825), (45, 4479805), (47, 4289175), (55, 3665295), (75, 2687883), (99, 2036275), (141, 1429725), (165, 1221765), (225, 895961), (235, 857835), (275, 733059), (423, 476575), (495, 407255), (517, 389925), (705, 285945), (825, 244353), (1175, 171567), (1551, 129975), (1733, 116325), (2115, 95315), (2475, 81451), (2585, 77985), (3525, 57189), (4653, 43325), (5199, 38775), (7755, 25995), (8665, 23265), (10575, 19063), (12925, 15597)]