385981617

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{1091}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 623960064

約数和(自身を除く): 237978447

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 991, 1091, 2973, 3273, 6937, 7637, 16847, 18547, 20811, 22911, 50541, 55641, 117929, 129829, 353787, 389487, 1081181, 3243543, 7568267, 18380077, 22704801, 55140231, 128660539, 385981617]

約数ペア:

[(1, 385981617), (3, 128660539), (7, 55140231), (17, 22704801), (21, 18380077), (51, 7568267), (119, 3243543), (357, 1081181), (991, 389487), (1091, 353787), (2973, 129829), (3273, 117929), (6937, 55641), (7637, 50541), (16847, 22911), (18547, 20811)]