78144315

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 128563200

約数和(自身を除く): 50418885

約数列:

[1, 3, 5, 15, 47, 141, 199, 235, 557, 597, 705, 995, 1671, 2785, 2985, 8355, 9353, 26179, 28059, 46765, 78537, 110843, 130895, 140295, 332529, 392685, 554215, 1662645, 5209621, 15628863, 26048105, 78144315]

約数ペア:

[(1, 78144315), (3, 26048105), (5, 15628863), (15, 5209621), (47, 1662645), (141, 554215), (199, 392685), (235, 332529), (557, 140295), (597, 130895), (705, 110843), (995, 78537), (1671, 46765), (2785, 28059), (2985, 26179), (8355, 9353)]