201281805

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 359064576

約数和(自身を除く): 157782771

約数列:

[1, 3, 5, 9, 15, 45, 71, 73, 213, 219, 355, 365, 639, 657, 863, 1065, 1095, 2589, 3195, 3285, 4315, 5183, 7767, 12945, 15549, 25915, 38835, 46647, 61273, 62999, 77745, 183819, 188997, 233235, 306365, 314995, 551457, 566991, 919095, 944985, 2757285, 2834955, 4472929, 13418787, 22364645, 40256361, 67093935, 201281805]

約数ペア:

[(1, 201281805), (3, 67093935), (5, 40256361), (9, 22364645), (15, 13418787), (45, 4472929), (71, 2834955), (73, 2757285), (213, 944985), (219, 919095), (355, 566991), (365, 551457), (639, 314995), (657, 306365), (863, 233235), (1065, 188997), (1095, 183819), (2589, 77745), (3195, 62999), (3285, 61273), (4315, 46647), (5183, 38835), (7767, 25915), (12945, 15549)]