389933865

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:855

約数の個数: 64

約数和(自身を含む): 733651200

約数和(自身を除く): 343717335

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 281, 285, 513, 541, 843, 855, 1405, 1623, 2529, 2565, 2705, 4215, 4869, 5339, 7587, 8115, 10279, 12645, 14607, 16017, 24345, 26695, 30837, 37935, 48051, 51395, 73035, 80085, 92511, 144153, 152021, 154185, 240255, 277533, 456063, 462555, 720765, 760105, 1368189, 1387665, 2280315, 2888399, 4104567, 6840945, 8665197, 14441995, 20522835, 25995591, 43325985, 77986773, 129977955, 389933865]

約数ペア:

[(1, 389933865), (3, 129977955), (5, 77986773), (9, 43325985), (15, 25995591), (19, 20522835), (27, 14441995), (45, 8665197), (57, 6840945), (95, 4104567), (135, 2888399), (171, 2280315), (281, 1387665), (285, 1368189), (513, 760105), (541, 720765), (843, 462555), (855, 456063), (1405, 277533), (1623, 240255), (2529, 154185), (2565, 152021), (2705, 144153), (4215, 92511), (4869, 80085), (5339, 73035), (7587, 51395), (8115, 48051), (10279, 37935), (12645, 30837), (14607, 26695), (16017, 24345)]