217468251

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 427714560

約数和(自身を除く): 210246309

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 101, 117, 143, 231, 239, 273, 303, 429, 693, 707, 717, 819, 909, 1001, 1111, 1287, 1313, 1673, 2121, 2151, 2629, 3003, 3107, 3333, 3939, 5019, 6363, 7777, 7887, 9009, 9191, 9321, 9999, 11817, 14443, 15057, 18403, 21749, 23331, 23661, 24139, 27573, 27963, 34177, 43329, 55209, 65247, 69993, 72417, 82719, 101101, 102531, 129987, 165627, 168973, 195741, 217251, 239239, 265529, 303303, 307593, 313807, 506919, 717717, 796587, 909909, 941421, 1520757, 1858703, 2153151, 2196649, 2389761, 2824263, 3451877, 5576109, 6589947, 10355631, 16728327, 19769841, 24163139, 31066893, 72489417, 217468251]

約数ペア:

[(1, 217468251), (3, 72489417), (7, 31066893), (9, 24163139), (11, 19769841), (13, 16728327), (21, 10355631), (33, 6589947), (39, 5576109), (63, 3451877), (77, 2824263), (91, 2389761), (99, 2196649), (101, 2153151), (117, 1858703), (143, 1520757), (231, 941421), (239, 909909), (273, 796587), (303, 717717), (429, 506919), (693, 313807), (707, 307593), (717, 303303), (819, 265529), (909, 239239), (1001, 217251), (1111, 195741), (1287, 168973), (1313, 165627), (1673, 129987), (2121, 102531), (2151, 101101), (2629, 82719), (3003, 72417), (3107, 69993), (3333, 65247), (3939, 55209), (5019, 43329), (6363, 34177), (7777, 27963), (7887, 27573), (9009, 24139), (9191, 23661), (9321, 23331), (9999, 21749), (11817, 18403), (14443, 15057)]