15666891945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{346651}}^1$

素因数の和:346813

約数の個数: 32

約数和(自身を含む): 26356644864

約数和(自身を除く): 10689752919

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 345, 393, 655, 1965, 3013, 9039, 15065, 45195, 346651, 1039953, 1733255, 5199765, 7972973, 23918919, 39864865, 45411281, 119594595, 136233843, 227056405, 681169215, 1044459463, 3133378389, 5222297315, 15666891945]

約数ペア:

[(1, 15666891945), (3, 5222297315), (5, 3133378389), (15, 1044459463), (23, 681169215), (69, 227056405), (115, 136233843), (131, 119594595), (345, 45411281), (393, 39864865), (655, 23918919), (1965, 7972973), (3013, 5199765), (9039, 1733255), (15065, 1039953), (45195, 346651)]