428021223

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2903}}^1$

素因数の和:2996

約数の個数: 48

約数和(自身を含む): 715080960

約数和(自身を除く): 287059737

約数列:

[1, 3, 7, 17, 21, 49, 51, 59, 119, 147, 177, 357, 413, 833, 1003, 1239, 2499, 2891, 2903, 3009, 7021, 8673, 8709, 20321, 21063, 49147, 49351, 60963, 142247, 147441, 148053, 171277, 345457, 426741, 513831, 1036371, 1198939, 2418199, 2911709, 3596817, 7254597, 8392573, 8735127, 20381963, 25177719, 61145889, 142673741, 428021223]

約数ペア:

[(1, 428021223), (3, 142673741), (7, 61145889), (17, 25177719), (21, 20381963), (49, 8735127), (51, 8392573), (59, 7254597), (119, 3596817), (147, 2911709), (177, 2418199), (357, 1198939), (413, 1036371), (833, 513831), (1003, 426741), (1239, 345457), (2499, 171277), (2891, 148053), (2903, 147441), (3009, 142247), (7021, 60963), (8673, 49351), (8709, 49147), (20321, 21063)]