28906875

素因数分解:

$3^4\times 5^4\times {\mathrm{571}}^1$

素因数の和:603

約数の個数: 50

約数和(自身を含む): 54054572

約数和(自身を除く): 25147697

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 571, 625, 675, 1125, 1713, 1875, 2025, 2855, 3375, 5139, 5625, 8565, 10125, 14275, 15417, 16875, 25695, 42825, 46251, 50625, 71375, 77085, 128475, 214125, 231255, 356875, 385425, 642375, 1070625, 1156275, 1927125, 3211875, 5781375, 9635625, 28906875]

約数ペア:

[(1, 28906875), (3, 9635625), (5, 5781375), (9, 3211875), (15, 1927125), (25, 1156275), (27, 1070625), (45, 642375), (75, 385425), (81, 356875), (125, 231255), (135, 214125), (225, 128475), (375, 77085), (405, 71375), (571, 50625), (625, 46251), (675, 42825), (1125, 25695), (1713, 16875), (1875, 15417), (2025, 14275), (2855, 10125), (3375, 8565), (5139, 5625)]