42142785

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 72624384

約数和(自身を除く): 30481599

約数列:

[1, 3, 5, 15, 23, 47, 69, 113, 115, 141, 235, 339, 345, 529, 565, 705, 1081, 1587, 1695, 2599, 2645, 3243, 5311, 5405, 7797, 7935, 12995, 15933, 16215, 24863, 26555, 38985, 59777, 74589, 79665, 122153, 124315, 179331, 298885, 366459, 372945, 610765, 896655, 1832295, 2809519, 8428557, 14047595, 42142785]

約数ペア:

[(1, 42142785), (3, 14047595), (5, 8428557), (15, 2809519), (23, 1832295), (47, 896655), (69, 610765), (113, 372945), (115, 366459), (141, 298885), (235, 179331), (339, 124315), (345, 122153), (529, 79665), (565, 74589), (705, 59777), (1081, 38985), (1587, 26555), (1695, 24863), (2599, 16215), (2645, 15933), (3243, 12995), (5311, 7935), (5405, 7797)]