218880585

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 476985600

約数和(自身を除く): 258105015

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 181, 231, 315, 349, 385, 495, 543, 693, 905, 1047, 1155, 1267, 1629, 1745, 1991, 2443, 2715, 3141, 3465, 3801, 3839, 5235, 5973, 6335, 7329, 8145, 9955, 11403, 11517, 12215, 13937, 15705, 17919, 19005, 19195, 21987, 26873, 29865, 34551, 36645, 41811, 57015, 57585, 63169, 69685, 80619, 89595, 109935, 125433, 134365, 172755, 189507, 209055, 241857, 315845, 403095, 442183, 568521, 627165, 694859, 947535, 1209285, 1326549, 2084577, 2210915, 2842605, 3474295, 3979647, 4864013, 6253731, 6632745, 10422885, 14592039, 19898235, 24320065, 31268655, 43776117, 72960195, 218880585]

約数ペア:

[(1, 218880585), (3, 72960195), (5, 43776117), (7, 31268655), (9, 24320065), (11, 19898235), (15, 14592039), (21, 10422885), (33, 6632745), (35, 6253731), (45, 4864013), (55, 3979647), (63, 3474295), (77, 2842605), (99, 2210915), (105, 2084577), (165, 1326549), (181, 1209285), (231, 947535), (315, 694859), (349, 627165), (385, 568521), (495, 442183), (543, 403095), (693, 315845), (905, 241857), (1047, 209055), (1155, 189507), (1267, 172755), (1629, 134365), (1745, 125433), (1991, 109935), (2443, 89595), (2715, 80619), (3141, 69685), (3465, 63169), (3801, 57585), (3839, 57015), (5235, 41811), (5973, 36645), (6335, 34551), (7329, 29865), (8145, 26873), (9955, 21987), (11403, 19195), (11517, 19005), (12215, 17919), (13937, 15705)]