15485421

素因数分解:

$3^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 24480000

約数和(自身を除く): 8994579

約数列:

[1, 3, 7, 21, 49, 101, 147, 149, 303, 343, 447, 707, 1029, 1043, 2121, 3129, 4949, 7301, 14847, 15049, 21903, 34643, 45147, 51107, 103929, 105343, 153321, 316029, 737401, 2212203, 5161807, 15485421]

約数ペア:

[(1, 15485421), (3, 5161807), (7, 2212203), (21, 737401), (49, 316029), (101, 153321), (147, 105343), (149, 103929), (303, 51107), (343, 45147), (447, 34643), (707, 21903), (1029, 15049), (1043, 14847), (2121, 7301), (3129, 4949)]