15285075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 27769056

約数和(自身を除く): 12483981

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 183, 195, 257, 305, 325, 771, 793, 915, 975, 1285, 1525, 2379, 3341, 3855, 3965, 4575, 6425, 10023, 11895, 15677, 16705, 19275, 19825, 47031, 50115, 59475, 78385, 83525, 203801, 235155, 250575, 391925, 611403, 1019005, 1175775, 3057015, 5095025, 15285075]

約数ペア:

[(1, 15285075), (3, 5095025), (5, 3057015), (13, 1175775), (15, 1019005), (25, 611403), (39, 391925), (61, 250575), (65, 235155), (75, 203801), (183, 83525), (195, 78385), (257, 59475), (305, 50115), (325, 47031), (771, 19825), (793, 19275), (915, 16705), (975, 15677), (1285, 11895), (1525, 10023), (2379, 6425), (3341, 4575), (3855, 3965)]