64401735

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2655

約数の個数: 32

約数和(自身を含む): 109728000

約数和(自身を除く): 45326265

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 1335, 1691, 2539, 5073, 7617, 8455, 12695, 25365, 38085, 48241, 144723, 225971, 241205, 677913, 723615, 1129855, 3389565, 4293449, 12880347, 21467245, 64401735]

約数ペア:

[(1, 64401735), (3, 21467245), (5, 12880347), (15, 4293449), (19, 3389565), (57, 1129855), (89, 723615), (95, 677913), (267, 241205), (285, 225971), (445, 144723), (1335, 48241), (1691, 38085), (2539, 25365), (5073, 12695), (7617, 8455)]