221490285

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{797}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 360364032

約数和(自身を除く): 138873747

約数列:

[1, 3, 5, 15, 97, 191, 291, 485, 573, 797, 955, 1455, 2391, 2865, 3985, 11955, 18527, 55581, 77309, 92635, 152227, 231927, 277905, 386545, 456681, 761135, 1159635, 2283405, 14766019, 44298057, 73830095, 221490285]

約数ペア:

[(1, 221490285), (3, 73830095), (5, 44298057), (15, 14766019), (97, 2283405), (191, 1159635), (291, 761135), (485, 456681), (573, 386545), (797, 277905), (955, 231927), (1455, 152227), (2391, 92635), (2865, 77309), (3985, 55581), (11955, 18527)]