249530775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6917}}^1$

素因数の和:6980

約数の個数: 48

約数和(自身を含む): 456366624

約数和(自身を除く): 206835849

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 925, 975, 1443, 2405, 2775, 6917, 7215, 12025, 20751, 34585, 36075, 89921, 103755, 172925, 255929, 269763, 449605, 518775, 767787, 1279645, 1348815, 2248025, 3327077, 3838935, 6398225, 6744075, 9981231, 16635385, 19194675, 49906155, 83176925, 249530775]

約数ペア:

[(1, 249530775), (3, 83176925), (5, 49906155), (13, 19194675), (15, 16635385), (25, 9981231), (37, 6744075), (39, 6398225), (65, 3838935), (75, 3327077), (111, 2248025), (185, 1348815), (195, 1279645), (325, 767787), (481, 518775), (555, 449605), (925, 269763), (975, 255929), (1443, 172925), (2405, 103755), (2775, 89921), (6917, 36075), (7215, 34585), (12025, 20751)]