81703188

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{15439}}^1$

素因数の和:15466

約数の個数: 72

約数和(自身を含む): 246422400

約数和(自身を除く): 164719212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 15439, 30878, 46317, 61756, 92634, 108073, 138951, 185268, 216146, 277902, 324219, 416853, 432292, 555804, 648438, 756511, 833706, 972657, 1296876, 1513022, 1667412, 1945314, 2269533, 2917971, 3026044, 3890628, 4539066, 5835942, 6808599, 9078132, 11671884, 13617198, 20425797, 27234396, 40851594, 81703188]

約数ペア:

[(1, 81703188), (2, 40851594), (3, 27234396), (4, 20425797), (6, 13617198), (7, 11671884), (9, 9078132), (12, 6808599), (14, 5835942), (18, 4539066), (21, 3890628), (27, 3026044), (28, 2917971), (36, 2269533), (42, 1945314), (49, 1667412), (54, 1513022), (63, 1296876), (84, 972657), (98, 833706), (108, 756511), (126, 648438), (147, 555804), (189, 432292), (196, 416853), (252, 324219), (294, 277902), (378, 216146), (441, 185268), (588, 138951), (756, 108073), (882, 92634), (1323, 61756), (1764, 46317), (2646, 30878), (5292, 15439)]