217522746

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{433}}^1\times {\mathrm{443}}^1$

素因数の和:897

約数の個数: 80

約数和(自身を含む): 559589184

約数和(自身を除く): 342066438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 433, 443, 567, 866, 886, 1134, 1299, 1329, 2598, 2658, 3031, 3101, 3897, 3987, 6062, 6202, 7794, 7974, 9093, 9303, 11691, 11961, 18186, 18606, 23382, 23922, 27279, 27909, 35073, 35883, 54558, 55818, 70146, 71766, 81837, 83727, 163674, 167454, 191819, 245511, 251181, 383638, 491022, 502362, 575457, 1150914, 1342733, 1726371, 2685466, 3452742, 4028199, 5179113, 8056398, 10358226, 12084597, 15537339, 24169194, 31074678, 36253791, 72507582, 108761373, 217522746]

約数ペア:

[(1, 217522746), (2, 108761373), (3, 72507582), (6, 36253791), (7, 31074678), (9, 24169194), (14, 15537339), (18, 12084597), (21, 10358226), (27, 8056398), (42, 5179113), (54, 4028199), (63, 3452742), (81, 2685466), (126, 1726371), (162, 1342733), (189, 1150914), (378, 575457), (433, 502362), (443, 491022), (567, 383638), (866, 251181), (886, 245511), (1134, 191819), (1299, 167454), (1329, 163674), (2598, 83727), (2658, 81837), (3031, 71766), (3101, 70146), (3897, 55818), (3987, 54558), (6062, 35883), (6202, 35073), (7794, 27909), (7974, 27279), (9093, 23922), (9303, 23382), (11691, 18606), (11961, 18186)]