180972675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61871}}^1$

素因数の和:61900

約数の個数: 36

約数和(自身を含む): 349081824

約数和(自身を除く): 168109149

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 61871, 185613, 309355, 556839, 804323, 928065, 1546775, 2412969, 2784195, 4021615, 4640325, 7238907, 12064845, 13920975, 20108075, 36194535, 60324225, 180972675]

約数ペア:

[(1, 180972675), (3, 60324225), (5, 36194535), (9, 20108075), (13, 13920975), (15, 12064845), (25, 7238907), (39, 4640325), (45, 4021615), (65, 2784195), (75, 2412969), (117, 1546775), (195, 928065), (225, 804323), (325, 556839), (585, 309355), (975, 185613), (2925, 61871)]