72801975

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{15913}}^1$

素因数の和:15987

約数の個数: 24

約数和(自身を含む): 122346832

約数和(自身を除く): 49544857

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 15913, 47739, 79565, 238695, 397825, 970693, 1193475, 2912079, 4853465, 14560395, 24267325, 72801975]

約数ペア:

[(1, 72801975), (3, 24267325), (5, 14560395), (15, 4853465), (25, 2912079), (61, 1193475), (75, 970693), (183, 397825), (305, 238695), (915, 79565), (1525, 47739), (4575, 15913)]