201616875

素因数分解:

$3^2\times 5^4\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:590

約数の個数: 60

約数和(自身を含む): 369650424

約数和(自身を除く): 168033549

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 125, 219, 225, 365, 375, 491, 625, 657, 1095, 1125, 1473, 1825, 1875, 2455, 3285, 4419, 5475, 5625, 7365, 9125, 12275, 16425, 22095, 27375, 35843, 36825, 45625, 61375, 82125, 107529, 110475, 136875, 179215, 184125, 306875, 322587, 410625, 537645, 552375, 896075, 920625, 1612935, 2688225, 2761875, 4480375, 8064675, 13441125, 22401875, 40323375, 67205625, 201616875]

約数ペア:

[(1, 201616875), (3, 67205625), (5, 40323375), (9, 22401875), (15, 13441125), (25, 8064675), (45, 4480375), (73, 2761875), (75, 2688225), (125, 1612935), (219, 920625), (225, 896075), (365, 552375), (375, 537645), (491, 410625), (625, 322587), (657, 306875), (1095, 184125), (1125, 179215), (1473, 136875), (1825, 110475), (1875, 107529), (2455, 82125), (3285, 61375), (4419, 45625), (5475, 36825), (5625, 35843), (7365, 27375), (9125, 22095), (12275, 16425)]