215682309

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 332916480

約数和(自身を除く): 117234171

約数列:

[1, 3, 9, 29, 71, 87, 103, 113, 213, 261, 309, 339, 639, 927, 1017, 2059, 2987, 3277, 6177, 7313, 8023, 8961, 9831, 11639, 18531, 21939, 24069, 26883, 29493, 34917, 65817, 72207, 104751, 212077, 232667, 337531, 636231, 698001, 826369, 1012593, 1908693, 2094003, 2479107, 3037779, 7437321, 23964701, 71894103, 215682309]

約数ペア:

[(1, 215682309), (3, 71894103), (9, 23964701), (29, 7437321), (71, 3037779), (87, 2479107), (103, 2094003), (113, 1908693), (213, 1012593), (261, 826369), (309, 698001), (339, 636231), (639, 337531), (927, 232667), (1017, 212077), (2059, 104751), (2987, 72207), (3277, 65817), (6177, 34917), (7313, 29493), (8023, 26883), (8961, 24069), (9831, 21939), (11639, 18531)]