858404871

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2593}}^1$

素因数の和:2733

約数の個数: 40

約数和(自身を含む): 1323292784

約数和(自身を除く): 464887913

約数列:

[1, 3, 9, 27, 61, 67, 81, 183, 201, 549, 603, 1647, 1809, 2593, 4087, 4941, 5427, 7779, 12261, 23337, 36783, 70011, 110349, 158173, 173731, 210033, 331047, 474519, 521193, 1423557, 1563579, 4270671, 4690737, 10597591, 12812013, 14072211, 31792773, 95378319, 286134957, 858404871]

約数ペア:

[(1, 858404871), (3, 286134957), (9, 95378319), (27, 31792773), (61, 14072211), (67, 12812013), (81, 10597591), (183, 4690737), (201, 4270671), (549, 1563579), (603, 1423557), (1647, 521193), (1809, 474519), (2593, 331047), (4087, 210033), (4941, 173731), (5427, 158173), (7779, 110349), (12261, 70011), (23337, 36783)]