16490655

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 15028065

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 47, 69, 113, 115, 135, 141, 207, 235, 339, 345, 423, 565, 621, 705, 1017, 1035, 1081, 1269, 1695, 2115, 2599, 3051, 3105, 3243, 5085, 5311, 5405, 6345, 7797, 9729, 12995, 15255, 15933, 16215, 23391, 26555, 29187, 38985, 47799, 48645, 70173, 79665, 116955, 122153, 143397, 145935, 238995, 350865, 366459, 610765, 716985, 1099377, 1832295, 3298131, 5496885, 16490655]

約数ペア:

[(1, 16490655), (3, 5496885), (5, 3298131), (9, 1832295), (15, 1099377), (23, 716985), (27, 610765), (45, 366459), (47, 350865), (69, 238995), (113, 145935), (115, 143397), (135, 122153), (141, 116955), (207, 79665), (235, 70173), (339, 48645), (345, 47799), (423, 38985), (565, 29187), (621, 26555), (705, 23391), (1017, 16215), (1035, 15933), (1081, 15255), (1269, 12995), (1695, 9729), (2115, 7797), (2599, 6345), (3051, 5405), (3105, 5311), (3243, 5085)]