216936915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2180

約数の個数: 64

約数和(自身を含む): 408748032

約数和(自身を除く): 191811117

約数列:

[1, 3, 5, 13, 15, 17, 31, 39, 51, 65, 85, 93, 155, 195, 221, 255, 403, 465, 527, 663, 1105, 1209, 1581, 2015, 2111, 2635, 3315, 6045, 6333, 6851, 7905, 10555, 20553, 27443, 31665, 34255, 35887, 65441, 82329, 102765, 107661, 137215, 179435, 196323, 327205, 411645, 466531, 538305, 850733, 981615, 1112497, 1399593, 2332655, 2552199, 3337491, 4253665, 5562485, 6997965, 12760995, 14462461, 16687455, 43387383, 72312305, 216936915]

約数ペア:

[(1, 216936915), (3, 72312305), (5, 43387383), (13, 16687455), (15, 14462461), (17, 12760995), (31, 6997965), (39, 5562485), (51, 4253665), (65, 3337491), (85, 2552199), (93, 2332655), (155, 1399593), (195, 1112497), (221, 981615), (255, 850733), (403, 538305), (465, 466531), (527, 411645), (663, 327205), (1105, 196323), (1209, 179435), (1581, 137215), (2015, 107661), (2111, 102765), (2635, 82329), (3315, 65441), (6045, 35887), (6333, 34255), (6851, 31665), (7905, 27443), (10555, 20553)]