204557325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20507}}^1$

素因数の和:20546

約数の個数: 48

約数和(自身を含む): 406878720

約数和(自身を除く): 202321395

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975, 20507, 61521, 102535, 143549, 307605, 389633, 430647, 512675, 717745, 1168899, 1538025, 1948165, 2153235, 2727431, 3588725, 5844495, 8182293, 9740825, 10766175, 13637155, 29222475, 40911465, 68185775, 204557325]

約数ペア:

[(1, 204557325), (3, 68185775), (5, 40911465), (7, 29222475), (15, 13637155), (19, 10766175), (21, 9740825), (25, 8182293), (35, 5844495), (57, 3588725), (75, 2727431), (95, 2153235), (105, 1948165), (133, 1538025), (175, 1168899), (285, 717745), (399, 512675), (475, 430647), (525, 389633), (665, 307605), (1425, 143549), (1995, 102535), (3325, 61521), (9975, 20507)]