28488375

素因数分解:

$3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 55111680

約数和(自身を除く): 26623305

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 125, 135, 207, 225, 345, 367, 375, 575, 621, 675, 1035, 1101, 1125, 1725, 1835, 2875, 3105, 3303, 3375, 5175, 5505, 8441, 8625, 9175, 9909, 15525, 16515, 25323, 25875, 27525, 42205, 45875, 49545, 75969, 77625, 82575, 126615, 137625, 211025, 227907, 247725, 379845, 412875, 633075, 1055125, 1139535, 1238625, 1899225, 3165375, 5697675, 9496125, 28488375]

約数ペア:

[(1, 28488375), (3, 9496125), (5, 5697675), (9, 3165375), (15, 1899225), (23, 1238625), (25, 1139535), (27, 1055125), (45, 633075), (69, 412875), (75, 379845), (115, 247725), (125, 227907), (135, 211025), (207, 137625), (225, 126615), (345, 82575), (367, 77625), (375, 75969), (575, 49545), (621, 45875), (675, 42205), (1035, 27525), (1101, 25875), (1125, 25323), (1725, 16515), (1835, 15525), (2875, 9909), (3105, 9175), (3303, 8625), (3375, 8441), (5175, 5505)]