78298875

素因数分解:

$3^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 143095680

約数和(自身を除く): 64796805

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 125, 225, 237, 375, 395, 711, 881, 1125, 1185, 1975, 2643, 3555, 4405, 5925, 7929, 9875, 13215, 17775, 22025, 29625, 39645, 66075, 69599, 88875, 110125, 198225, 208797, 330375, 347995, 626391, 991125, 1043985, 1739975, 3131955, 5219925, 8699875, 15659775, 26099625, 78298875]

約数ペア:

[(1, 78298875), (3, 26099625), (5, 15659775), (9, 8699875), (15, 5219925), (25, 3131955), (45, 1739975), (75, 1043985), (79, 991125), (125, 626391), (225, 347995), (237, 330375), (375, 208797), (395, 198225), (711, 110125), (881, 88875), (1125, 69599), (1185, 66075), (1975, 39645), (2643, 29625), (3555, 22025), (4405, 17775), (5925, 13215), (7929, 9875)]