203353125

素因数分解:

$3^1\times 5^5\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 343728000

約数和(自身を除く): 140374875

約数列:

[1, 3, 5, 15, 25, 75, 109, 125, 199, 327, 375, 545, 597, 625, 995, 1635, 1875, 2725, 2985, 3125, 4975, 8175, 9375, 13625, 14925, 21691, 24875, 40875, 65073, 68125, 74625, 108455, 124375, 204375, 325365, 340625, 373125, 542275, 621875, 1021875, 1626825, 1865625, 2711375, 8134125, 13556875, 40670625, 67784375, 203353125]

約数ペア:

[(1, 203353125), (3, 67784375), (5, 40670625), (15, 13556875), (25, 8134125), (75, 2711375), (109, 1865625), (125, 1626825), (199, 1021875), (327, 621875), (375, 542275), (545, 373125), (597, 340625), (625, 325365), (995, 204375), (1635, 124375), (1875, 108455), (2725, 74625), (2985, 68125), (3125, 65073), (4975, 40875), (8175, 24875), (9375, 21691), (13625, 14925)]