15901185

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 26421120

約数和(自身を除く): 10519935

約数列:

[1, 3, 5, 15, 43, 89, 129, 215, 267, 277, 445, 645, 831, 1335, 1385, 3827, 4155, 11481, 11911, 19135, 24653, 35733, 57405, 59555, 73959, 123265, 178665, 369795, 1060079, 3180237, 5300395, 15901185]

約数ペア:

[(1, 15901185), (3, 5300395), (5, 3180237), (15, 1060079), (43, 369795), (89, 178665), (129, 123265), (215, 73959), (267, 59555), (277, 57405), (445, 35733), (645, 24653), (831, 19135), (1335, 11911), (1385, 11481), (3827, 4155)]