28477125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1527

約数の個数: 48

約数和(自身を含む): 54390960

約数和(自身を除く): 25913835

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1125, 1275, 1489, 2125, 3825, 4467, 6375, 7445, 13401, 19125, 22335, 25313, 37225, 67005, 75939, 111675, 126565, 186125, 227817, 335025, 379695, 558375, 632825, 1139085, 1675125, 1898475, 3164125, 5695425, 9492375, 28477125]

約数ペア:

[(1, 28477125), (3, 9492375), (5, 5695425), (9, 3164125), (15, 1898475), (17, 1675125), (25, 1139085), (45, 632825), (51, 558375), (75, 379695), (85, 335025), (125, 227817), (153, 186125), (225, 126565), (255, 111675), (375, 75939), (425, 67005), (765, 37225), (1125, 25313), (1275, 22335), (1489, 19125), (2125, 13401), (3825, 7445), (4467, 6375)]