19761225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 37765440

約数和(自身を除く): 18004215

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 1409, 2805, 4227, 4675, 7045, 14025, 15499, 21135, 23953, 35225, 46497, 71859, 77495, 105675, 119765, 232485, 263483, 359295, 387475, 598825, 790449, 1162425, 1317415, 1796475, 3952245, 6587075, 19761225]

約数ペア:

[(1, 19761225), (3, 6587075), (5, 3952245), (11, 1796475), (15, 1317415), (17, 1162425), (25, 790449), (33, 598825), (51, 387475), (55, 359295), (75, 263483), (85, 232485), (165, 119765), (187, 105675), (255, 77495), (275, 71859), (425, 46497), (561, 35225), (825, 23953), (935, 21135), (1275, 15499), (1409, 14025), (2805, 7045), (4227, 4675)]