2851425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 5803200

約数和(自身を除く): 2951775

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 29, 45, 57, 69, 75, 87, 95, 115, 145, 171, 207, 225, 261, 285, 345, 435, 437, 475, 551, 575, 667, 725, 855, 1035, 1305, 1311, 1425, 1653, 1725, 2001, 2175, 2185, 2755, 3335, 3933, 4275, 4959, 5175, 6003, 6525, 6555, 8265, 10005, 10925, 12673, 13775, 16675, 19665, 24795, 30015, 32775, 38019, 41325, 50025, 63365, 98325, 114057, 123975, 150075, 190095, 316825, 570285, 950475, 2851425]

約数ペア:

[(1, 2851425), (3, 950475), (5, 570285), (9, 316825), (15, 190095), (19, 150075), (23, 123975), (25, 114057), (29, 98325), (45, 63365), (57, 50025), (69, 41325), (75, 38019), (87, 32775), (95, 30015), (115, 24795), (145, 19665), (171, 16675), (207, 13775), (225, 12673), (261, 10925), (285, 10005), (345, 8265), (435, 6555), (437, 6525), (475, 6003), (551, 5175), (575, 4959), (667, 4275), (725, 3933), (855, 3335), (1035, 2755), (1305, 2185), (1311, 2175), (1425, 2001), (1653, 1725)]