221082975

素因数分解:

$3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{7069}}^1$

素因数の和:7224

約数の個数: 36

約数和(自身を含む): 398889400

約数和(自身を除く): 177806425

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 139, 225, 417, 695, 1251, 2085, 3475, 6255, 7069, 10425, 21207, 31275, 35345, 63621, 106035, 176725, 318105, 530175, 982591, 1590525, 2947773, 4912955, 8843319, 14738865, 24564775, 44216595, 73694325, 221082975]

約数ペア:

[(1, 221082975), (3, 73694325), (5, 44216595), (9, 24564775), (15, 14738865), (25, 8843319), (45, 4912955), (75, 2947773), (139, 1590525), (225, 982591), (417, 530175), (695, 318105), (1251, 176725), (2085, 106035), (3475, 63621), (6255, 35345), (7069, 31275), (10425, 21207)]