200728875

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^2\times {\mathrm{557}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 345754656

約数和(自身を除く): 145025781

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 375, 465, 557, 775, 961, 1671, 2325, 2785, 2883, 3875, 4805, 8355, 11625, 13925, 14415, 17267, 24025, 41775, 51801, 69625, 72075, 86335, 120125, 208875, 259005, 360375, 431675, 535277, 1295025, 1605831, 2158375, 2676385, 6475125, 8029155, 13381925, 40145775, 66909625, 200728875]

約数ペア:

[(1, 200728875), (3, 66909625), (5, 40145775), (15, 13381925), (25, 8029155), (31, 6475125), (75, 2676385), (93, 2158375), (125, 1605831), (155, 1295025), (375, 535277), (465, 431675), (557, 360375), (775, 259005), (961, 208875), (1671, 120125), (2325, 86335), (2785, 72075), (2883, 69625), (3875, 51801), (4805, 41775), (8355, 24025), (11625, 17267), (13925, 14415)]