213453207

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2393}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 363007008

約数和(自身を除く): 149553801

約数列:

[1, 3, 9, 11, 17, 33, 51, 53, 99, 153, 159, 187, 477, 561, 583, 901, 1683, 1749, 2393, 2703, 5247, 7179, 8109, 9911, 21537, 26323, 29733, 40681, 78969, 89199, 122043, 126829, 236907, 366129, 380487, 447491, 1141461, 1342473, 1395119, 2156093, 4027419, 4185357, 6468279, 12556071, 19404837, 23717023, 71151069, 213453207]

約数ペア:

[(1, 213453207), (3, 71151069), (9, 23717023), (11, 19404837), (17, 12556071), (33, 6468279), (51, 4185357), (53, 4027419), (99, 2156093), (153, 1395119), (159, 1342473), (187, 1141461), (477, 447491), (561, 380487), (583, 366129), (901, 236907), (1683, 126829), (1749, 122043), (2393, 89199), (2703, 78969), (5247, 40681), (7179, 29733), (8109, 26323), (9911, 21537)]