870820125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2113}}^1$

素因数の和:2295

約数の個数: 64

約数和(自身を含む): 1667387904

約数和(自身を除く): 796567779

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 157, 175, 375, 471, 525, 785, 875, 1099, 2113, 2355, 2625, 3297, 3925, 5495, 6339, 10565, 11775, 14791, 16485, 19625, 27475, 31695, 44373, 52825, 58875, 73955, 82425, 137375, 158475, 221865, 264125, 331741, 369775, 412125, 792375, 995223, 1109325, 1658705, 1848875, 2322187, 4976115, 5546625, 6966561, 8293525, 11610935, 24880575, 34832805, 41467625, 58054675, 124402875, 174164025, 290273375, 870820125]

約数ペア:

[(1, 870820125), (3, 290273375), (5, 174164025), (7, 124402875), (15, 58054675), (21, 41467625), (25, 34832805), (35, 24880575), (75, 11610935), (105, 8293525), (125, 6966561), (157, 5546625), (175, 4976115), (375, 2322187), (471, 1848875), (525, 1658705), (785, 1109325), (875, 995223), (1099, 792375), (2113, 412125), (2355, 369775), (2625, 331741), (3297, 264125), (3925, 221865), (5495, 158475), (6339, 137375), (10565, 82425), (11775, 73955), (14791, 58875), (16485, 52825), (19625, 44373), (27475, 31695)]