20180115387

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{683}}^1$

素因数の和:1254

約数の個数: 80

約数和(自身を含む): 32774544000

約数和(自身を除く): 12594428613

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 129, 153, 387, 459, 499, 683, 731, 1161, 1377, 1497, 2049, 2193, 3483, 4491, 6147, 6579, 8483, 11611, 13473, 18441, 19737, 21457, 25449, 29369, 34833, 40419, 55323, 59211, 64371, 76347, 88107, 104499, 193113, 229041, 264321, 313497, 340817, 364769, 499273, 579339, 687123, 792963, 940491, 1022451, 1094307, 1497819, 1738017, 2378889, 3067353, 3282921, 4493457, 5793889, 9202059, 9848763, 13480371, 14655131, 17381667, 27606177, 29546289, 40441113, 43965393, 52145001, 131896179, 156435003, 249137227, 395688537, 469305009, 747411681, 1187065611, 2242235043, 6726705129, 20180115387]

約数ペア:

[(1, 20180115387), (3, 6726705129), (9, 2242235043), (17, 1187065611), (27, 747411681), (43, 469305009), (51, 395688537), (81, 249137227), (129, 156435003), (153, 131896179), (387, 52145001), (459, 43965393), (499, 40441113), (683, 29546289), (731, 27606177), (1161, 17381667), (1377, 14655131), (1497, 13480371), (2049, 9848763), (2193, 9202059), (3483, 5793889), (4491, 4493457), (6147, 3282921), (6579, 3067353), (8483, 2378889), (11611, 1738017), (13473, 1497819), (18441, 1094307), (19737, 1022451), (21457, 940491), (25449, 792963), (29369, 687123), (34833, 579339), (40419, 499273), (55323, 364769), (59211, 340817), (64371, 313497), (76347, 264321), (88107, 229041), (104499, 193113)]