211906575

素因数分解:

$3^2\times 5^2\times {\mathrm{317}}^1\times {\mathrm{2971}}^1$

素因数の和:3304

約数の個数: 36

約数和(自身を含む): 380873688

約数和(自身を除く): 168967113

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 317, 951, 1585, 2853, 2971, 4755, 7925, 8913, 14265, 14855, 23775, 26739, 44565, 71325, 74275, 133695, 222825, 668475, 941807, 2825421, 4709035, 8476263, 14127105, 23545175, 42381315, 70635525, 211906575]

約数ペア:

[(1, 211906575), (3, 70635525), (5, 42381315), (9, 23545175), (15, 14127105), (25, 8476263), (45, 4709035), (75, 2825421), (225, 941807), (317, 668475), (951, 222825), (1585, 133695), (2853, 74275), (2971, 71325), (4755, 44565), (7925, 26739), (8913, 23775), (14265, 14855)]