23919225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 43806720

約数和(自身を除く): 19887495

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 79, 165, 237, 275, 367, 395, 825, 869, 1101, 1185, 1835, 1975, 2607, 4037, 4345, 5505, 5925, 9175, 12111, 13035, 20185, 21725, 27525, 28993, 60555, 65175, 86979, 100925, 144965, 302775, 318923, 434895, 724825, 956769, 1594615, 2174475, 4783845, 7973075, 23919225]

約数ペア:

[(1, 23919225), (3, 7973075), (5, 4783845), (11, 2174475), (15, 1594615), (25, 956769), (33, 724825), (55, 434895), (75, 318923), (79, 302775), (165, 144965), (237, 100925), (275, 86979), (367, 65175), (395, 60555), (825, 28993), (869, 27525), (1101, 21725), (1185, 20185), (1835, 13035), (1975, 12111), (2607, 9175), (4037, 5925), (4345, 5505)]