13318221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1151}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 22118400

約数和(自身を除く): 8800179

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1151, 1653, 3453, 3857, 8057, 11571, 21869, 24171, 33379, 65607, 100137, 153083, 233653, 459249, 634201, 700959, 1902603, 4439407, 13318221]

約数ペア:

[(1, 13318221), (3, 4439407), (7, 1902603), (19, 700959), (21, 634201), (29, 459249), (57, 233653), (87, 153083), (133, 100137), (203, 65607), (399, 33379), (551, 24171), (609, 21869), (1151, 11571), (1653, 8057), (3453, 3857)]