78031863

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{349}}^1$

素因数の和:398

約数の個数: 72

約数和(自身を含む): 146034000

約数和(自身を除く): 68002137

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 169, 189, 273, 349, 351, 441, 507, 637, 819, 1047, 1183, 1323, 1521, 1911, 2443, 2457, 3141, 3549, 4537, 4563, 5733, 7329, 8281, 9423, 10647, 13611, 17101, 17199, 21987, 24843, 31759, 31941, 40833, 51303, 58981, 65961, 74529, 95277, 122499, 153909, 176943, 222313, 223587, 285831, 412867, 461727, 530829, 666939, 857493, 1238601, 1592487, 2000817, 2890069, 3715803, 6002451, 8670207, 11147409, 26010621, 78031863]

約数ペア:

[(1, 78031863), (3, 26010621), (7, 11147409), (9, 8670207), (13, 6002451), (21, 3715803), (27, 2890069), (39, 2000817), (49, 1592487), (63, 1238601), (91, 857493), (117, 666939), (147, 530829), (169, 461727), (189, 412867), (273, 285831), (349, 223587), (351, 222313), (441, 176943), (507, 153909), (637, 122499), (819, 95277), (1047, 74529), (1183, 65961), (1323, 58981), (1521, 51303), (1911, 40833), (2443, 31941), (2457, 31759), (3141, 24843), (3549, 21987), (4537, 17199), (4563, 17101), (5733, 13611), (7329, 10647), (8281, 9423)]