64839723

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 101191680

約数和(自身を除く): 36351957

約数列:

[1, 3, 13, 19, 39, 53, 57, 127, 159, 169, 247, 381, 507, 689, 741, 1007, 1651, 2067, 2413, 3021, 3211, 4953, 6731, 7239, 8957, 9633, 13091, 20193, 21463, 26871, 31369, 39273, 64389, 87503, 94107, 127889, 170183, 262509, 383667, 407797, 510549, 1137539, 1223391, 1662557, 3412617, 4987671, 21613241, 64839723]

約数ペア:

[(1, 64839723), (3, 21613241), (13, 4987671), (19, 3412617), (39, 1662557), (53, 1223391), (57, 1137539), (127, 510549), (159, 407797), (169, 383667), (247, 262509), (381, 170183), (507, 127889), (689, 94107), (741, 87503), (1007, 64389), (1651, 39273), (2067, 31369), (2413, 26871), (3021, 21463), (3211, 20193), (4953, 13091), (6731, 9633), (7239, 8957)]