163231875

素因数分解:

$3^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:615

約数の個数: 80

約数和(自身を含む): 320522400

約数和(自身を除く): 157290525

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 125, 135, 153, 225, 255, 375, 425, 459, 569, 625, 675, 765, 1125, 1275, 1707, 1875, 2125, 2295, 2845, 3375, 3825, 5121, 5625, 6375, 8535, 9673, 10625, 11475, 14225, 15363, 16875, 19125, 25605, 29019, 31875, 42675, 48365, 57375, 71125, 76815, 87057, 95625, 128025, 145095, 213375, 241825, 261171, 286875, 355625, 384075, 435285, 640125, 725475, 1066875, 1209125, 1305855, 1920375, 2176425, 3200625, 3627375, 6045625, 6529275, 9601875, 10882125, 18136875, 32646375, 54410625, 163231875]

約数ペア:

[(1, 163231875), (3, 54410625), (5, 32646375), (9, 18136875), (15, 10882125), (17, 9601875), (25, 6529275), (27, 6045625), (45, 3627375), (51, 3200625), (75, 2176425), (85, 1920375), (125, 1305855), (135, 1209125), (153, 1066875), (225, 725475), (255, 640125), (375, 435285), (425, 384075), (459, 355625), (569, 286875), (625, 261171), (675, 241825), (765, 213375), (1125, 145095), (1275, 128025), (1707, 95625), (1875, 87057), (2125, 76815), (2295, 71125), (2845, 57375), (3375, 48365), (3825, 42675), (5121, 31875), (5625, 29019), (6375, 25605), (8535, 19125), (9673, 16875), (10625, 15363), (11475, 14225)]