215795775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9623}}^1$

素因数の和:9672

約数の個数: 48

約数和(自身を含む): 400974336

約数和(自身を除く): 185178561

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1495, 1725, 4485, 7475, 9623, 22425, 28869, 48115, 125099, 144345, 221329, 240575, 375297, 625495, 663987, 721725, 1106645, 1876485, 2877277, 3127475, 3319935, 5533225, 8631831, 9382425, 14386385, 16599675, 43159155, 71931925, 215795775]

約数ペア:

[(1, 215795775), (3, 71931925), (5, 43159155), (13, 16599675), (15, 14386385), (23, 9382425), (25, 8631831), (39, 5533225), (65, 3319935), (69, 3127475), (75, 2877277), (115, 1876485), (195, 1106645), (299, 721725), (325, 663987), (345, 625495), (575, 375297), (897, 240575), (975, 221329), (1495, 144345), (1725, 125099), (4485, 48115), (7475, 28869), (9623, 22425)]