81301644

素因数分解:

$2^2\times 3^4\times {\mathrm{349}}^1\times {\mathrm{719}}^1$

素因数の和:1084

約数の個数: 60

約数和(自身を含む): 213444000

約数和(自身を除く): 132142356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 349, 698, 719, 1047, 1396, 1438, 2094, 2157, 2876, 3141, 4188, 4314, 6282, 6471, 8628, 9423, 12564, 12942, 18846, 19413, 25884, 28269, 37692, 38826, 56538, 58239, 77652, 113076, 116478, 232956, 250931, 501862, 752793, 1003724, 1505586, 2258379, 3011172, 4516758, 6775137, 9033516, 13550274, 20325411, 27100548, 40650822, 81301644]

約数ペア:

[(1, 81301644), (2, 40650822), (3, 27100548), (4, 20325411), (6, 13550274), (9, 9033516), (12, 6775137), (18, 4516758), (27, 3011172), (36, 2258379), (54, 1505586), (81, 1003724), (108, 752793), (162, 501862), (324, 250931), (349, 232956), (698, 116478), (719, 113076), (1047, 77652), (1396, 58239), (1438, 56538), (2094, 38826), (2157, 37692), (2876, 28269), (3141, 25884), (4188, 19413), (4314, 18846), (6282, 12942), (6471, 12564), (8628, 9423)]