664840125

素因数分解:

$3^2\times 5^3\times {\mathrm{383}}^1\times {\mathrm{1543}}^1$

素因数の和:1947

約数の個数: 48

約数和(自身を含む): 1202393088

約数和(自身を除く): 537552963

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 383, 1125, 1149, 1543, 1915, 3447, 4629, 5745, 7715, 9575, 13887, 17235, 23145, 28725, 38575, 47875, 69435, 86175, 115725, 143625, 192875, 347175, 430875, 578625, 590969, 1735875, 1772907, 2954845, 5318721, 8864535, 14774225, 26593605, 44322675, 73871125, 132968025, 221613375, 664840125]

約数ペア:

[(1, 664840125), (3, 221613375), (5, 132968025), (9, 73871125), (15, 44322675), (25, 26593605), (45, 14774225), (75, 8864535), (125, 5318721), (225, 2954845), (375, 1772907), (383, 1735875), (1125, 590969), (1149, 578625), (1543, 430875), (1915, 347175), (3447, 192875), (4629, 143625), (5745, 115725), (7715, 86175), (9575, 69435), (13887, 47875), (17235, 38575), (23145, 28725)]