15865065

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:971

約数の個数: 40

約数和(自身を含む): 29132928

約数和(自身を除く): 13267863

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 911, 1161, 1935, 2733, 3483, 4555, 5805, 8199, 13665, 17415, 24597, 39173, 40995, 73791, 117519, 122985, 195865, 352557, 368955, 587595, 1057671, 1762785, 3173013, 5288355, 15865065]

約数ペア:

[(1, 15865065), (3, 5288355), (5, 3173013), (9, 1762785), (15, 1057671), (27, 587595), (43, 368955), (45, 352557), (81, 195865), (129, 122985), (135, 117519), (215, 73791), (387, 40995), (405, 39173), (645, 24597), (911, 17415), (1161, 13665), (1935, 8199), (2733, 5805), (3483, 4555)]