1289105445

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{6991}}^1$

素因数の和:7665

約数の個数: 32

約数和(自身を含む): 2174791680

約数和(自身を除く): 885686235

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 647, 1941, 3235, 6991, 9705, 12293, 20973, 34955, 36879, 61465, 104865, 132829, 184395, 398487, 664145, 1992435, 4523177, 13569531, 22615885, 67847655, 85940363, 257821089, 429701815, 1289105445]

約数ペア:

[(1, 1289105445), (3, 429701815), (5, 257821089), (15, 85940363), (19, 67847655), (57, 22615885), (95, 13569531), (285, 4523177), (647, 1992435), (1941, 664145), (3235, 398487), (6991, 184395), (9705, 132829), (12293, 104865), (20973, 61465), (34955, 36879)]