15239745

素因数分解:

$3^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 56

約数和(自身を含む): 28409256

約数和(自身を除く): 13169511

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 113, 135, 185, 243, 333, 339, 405, 555, 565, 729, 999, 1017, 1215, 1665, 1695, 2997, 3051, 3645, 4181, 4995, 5085, 8991, 9153, 12543, 14985, 15255, 20905, 26973, 27459, 37629, 44955, 45765, 62715, 82377, 112887, 134865, 137295, 188145, 338661, 411885, 564435, 1015983, 1693305, 3047949, 5079915, 15239745]

約数ペア:

[(1, 15239745), (3, 5079915), (5, 3047949), (9, 1693305), (15, 1015983), (27, 564435), (37, 411885), (45, 338661), (81, 188145), (111, 137295), (113, 134865), (135, 112887), (185, 82377), (243, 62715), (333, 45765), (339, 44955), (405, 37629), (555, 27459), (565, 26973), (729, 20905), (999, 15255), (1017, 14985), (1215, 12543), (1665, 9153), (1695, 8991), (2997, 5085), (3051, 4995), (3645, 4181)]