15780490131

素因数分解:

$3^1\times 7^2\times {\mathrm{577}}^1\times {\mathrm{186049}}^1$

素因数の和:186643

約数の個数: 24

約数和(自身を含む): 24518413200

約数和(自身を除く): 8737923069

約数列:

[1, 3, 7, 21, 49, 147, 577, 1731, 4039, 12117, 28273, 84819, 186049, 558147, 1302343, 3907029, 9116401, 27349203, 107350273, 322050819, 751451911, 2254355733, 5260163377, 15780490131]

約数ペア:

[(1, 15780490131), (3, 5260163377), (7, 2254355733), (21, 751451911), (49, 322050819), (147, 107350273), (577, 27349203), (1731, 9116401), (4039, 3907029), (12117, 1302343), (28273, 558147), (84819, 186049)]