15315915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 25634880

約数和(自身を除く): 10318965

約数列:

[1, 3, 5, 15, 29, 87, 137, 145, 257, 411, 435, 685, 771, 1285, 2055, 3855, 3973, 7453, 11919, 19865, 22359, 35209, 37265, 59595, 105627, 111795, 176045, 528135, 1021061, 3063183, 5105305, 15315915]

約数ペア:

[(1, 15315915), (3, 5105305), (5, 3063183), (15, 1021061), (29, 528135), (87, 176045), (137, 111795), (145, 105627), (257, 59595), (411, 37265), (435, 35209), (685, 22359), (771, 19865), (1285, 11919), (2055, 7453), (3855, 3973)]