209210625

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{2861}}^1$

素因数の和:2900

約数の個数: 60

約数和(自身を含む): 406810404

約数和(自身を除く): 197599779

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 625, 975, 1125, 1625, 1875, 2861, 2925, 4875, 5625, 8125, 8583, 14305, 14625, 24375, 25749, 37193, 42915, 71525, 73125, 111579, 128745, 185965, 214575, 334737, 357625, 557895, 643725, 929825, 1072875, 1673685, 1788125, 2789475, 3218625, 4649125, 5364375, 8368425, 13947375, 16093125, 23245625, 41842125, 69736875, 209210625]

約数ペア:

[(1, 209210625), (3, 69736875), (5, 41842125), (9, 23245625), (13, 16093125), (15, 13947375), (25, 8368425), (39, 5364375), (45, 4649125), (65, 3218625), (75, 2789475), (117, 1788125), (125, 1673685), (195, 1072875), (225, 929825), (325, 643725), (375, 557895), (585, 357625), (625, 334737), (975, 214575), (1125, 185965), (1625, 128745), (1875, 111579), (2861, 73125), (2925, 71525), (4875, 42915), (5625, 37193), (8125, 25749), (8583, 24375), (14305, 14625)]