28539615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7703}}^1$

素因数の和:7743

約数の個数: 32

約数和(自身を含む): 51770880

約数和(自身を除く): 23231265

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7703, 23109, 38515, 100139, 115545, 146357, 300417, 439071, 500695, 731785, 1502085, 1902641, 2195355, 5707923, 9513205, 28539615]

約数ペア:

[(1, 28539615), (3, 9513205), (5, 5707923), (13, 2195355), (15, 1902641), (19, 1502085), (39, 731785), (57, 500695), (65, 439071), (95, 300417), (195, 146357), (247, 115545), (285, 100139), (741, 38515), (1235, 23109), (3705, 7703)]