291270438

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 674205120

約数和(自身を除く): 382934682

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 73, 74, 111, 146, 219, 222, 333, 438, 657, 666, 999, 1314, 1971, 1997, 1998, 2701, 3942, 3994, 5402, 5991, 8103, 11982, 16206, 17973, 24309, 35946, 48618, 53919, 72927, 73889, 107838, 145781, 145854, 147778, 221667, 291562, 437343, 443334, 665001, 874686, 1312029, 1330002, 1995003, 2624058, 3936087, 3990006, 5393897, 7872174, 10787794, 16181691, 32363382, 48545073, 97090146, 145635219, 291270438]

約数ペア:

[(1, 291270438), (2, 145635219), (3, 97090146), (6, 48545073), (9, 32363382), (18, 16181691), (27, 10787794), (37, 7872174), (54, 5393897), (73, 3990006), (74, 3936087), (111, 2624058), (146, 1995003), (219, 1330002), (222, 1312029), (333, 874686), (438, 665001), (657, 443334), (666, 437343), (999, 291562), (1314, 221667), (1971, 147778), (1997, 145854), (1998, 145781), (2701, 107838), (3942, 73889), (3994, 72927), (5402, 53919), (5991, 48618), (8103, 35946), (11982, 24309), (16206, 17973)]