128778045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1693}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 225396864

約数和(自身を除く): 96618819

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 461, 1383, 1693, 2305, 5071, 5079, 6915, 8465, 15213, 18623, 25355, 25395, 55869, 76065, 93115, 279345, 780473, 2341419, 3902365, 8585203, 11707095, 25755609, 42926015, 128778045]

約数ペア:

[(1, 128778045), (3, 42926015), (5, 25755609), (11, 11707095), (15, 8585203), (33, 3902365), (55, 2341419), (165, 780473), (461, 279345), (1383, 93115), (1693, 76065), (2305, 55869), (5071, 25395), (5079, 25355), (6915, 18623), (8465, 15213)]