72759375

素因数分解:

$3^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 142178400

約数和(自身を除く): 69419025

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 199, 225, 325, 375, 585, 597, 625, 975, 995, 1125, 1625, 1791, 1875, 2587, 2925, 2985, 3125, 4875, 4975, 5625, 7761, 8125, 8955, 9375, 12935, 14625, 14925, 23283, 24375, 24875, 28125, 38805, 40625, 44775, 64675, 73125, 74625, 116415, 121875, 124375, 194025, 223875, 323375, 365625, 373125, 582075, 621875, 970125, 1119375, 1616875, 1865625, 2910375, 4850625, 5596875, 8084375, 14551875, 24253125, 72759375]

約数ペア:

[(1, 72759375), (3, 24253125), (5, 14551875), (9, 8084375), (13, 5596875), (15, 4850625), (25, 2910375), (39, 1865625), (45, 1616875), (65, 1119375), (75, 970125), (117, 621875), (125, 582075), (195, 373125), (199, 365625), (225, 323375), (325, 223875), (375, 194025), (585, 124375), (597, 121875), (625, 116415), (975, 74625), (995, 73125), (1125, 64675), (1625, 44775), (1791, 40625), (1875, 38805), (2587, 28125), (2925, 24875), (2985, 24375), (3125, 23283), (4875, 14925), (4975, 14625), (5625, 12935), (7761, 9375), (8125, 8955)]