30119775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 57567744

約数和(自身を除く): 27447969

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 103, 105, 175, 309, 515, 525, 557, 721, 1545, 1671, 2163, 2575, 2785, 3605, 3899, 7725, 8355, 10815, 11697, 13925, 18025, 19495, 41775, 54075, 57371, 58485, 97475, 172113, 286855, 292425, 401597, 860565, 1204791, 1434275, 2007985, 4302825, 6023955, 10039925, 30119775]

約数ペア:

[(1, 30119775), (3, 10039925), (5, 6023955), (7, 4302825), (15, 2007985), (21, 1434275), (25, 1204791), (35, 860565), (75, 401597), (103, 292425), (105, 286855), (175, 172113), (309, 97475), (515, 58485), (525, 57371), (557, 54075), (721, 41775), (1545, 19495), (1671, 18025), (2163, 13925), (2575, 11697), (2785, 10815), (3605, 8355), (3899, 7725)]