16615521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 27518400

約数和(自身を除く): 10902879

約数列:

[1, 3, 9, 13, 29, 39, 59, 83, 87, 117, 177, 249, 261, 377, 531, 747, 767, 1079, 1131, 1711, 2301, 2407, 3237, 3393, 4897, 5133, 6903, 7221, 9711, 14691, 15399, 21663, 22243, 31291, 44073, 63661, 66729, 93873, 142013, 190983, 200187, 281619, 426039, 572949, 1278117, 1846169, 5538507, 16615521]

約数ペア:

[(1, 16615521), (3, 5538507), (9, 1846169), (13, 1278117), (29, 572949), (39, 426039), (59, 281619), (83, 200187), (87, 190983), (117, 142013), (177, 93873), (249, 66729), (261, 63661), (377, 44073), (531, 31291), (747, 22243), (767, 21663), (1079, 15399), (1131, 14691), (1711, 9711), (2301, 7221), (2407, 6903), (3237, 5133), (3393, 4897)]