28751625

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{1217}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 60802560

約数和(自身を除く): 32050935

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 175, 189, 225, 315, 375, 525, 675, 875, 945, 1125, 1217, 1575, 2625, 3375, 3651, 4725, 6085, 7875, 8519, 10953, 18255, 23625, 25557, 30425, 32859, 42595, 54765, 76671, 91275, 127785, 152125, 164295, 212975, 230013, 273825, 383355, 456375, 638925, 821475, 1064875, 1150065, 1369125, 1916775, 3194625, 4107375, 5750325, 9583875, 28751625]

約数ペア:

[(1, 28751625), (3, 9583875), (5, 5750325), (7, 4107375), (9, 3194625), (15, 1916775), (21, 1369125), (25, 1150065), (27, 1064875), (35, 821475), (45, 638925), (63, 456375), (75, 383355), (105, 273825), (125, 230013), (135, 212975), (175, 164295), (189, 152125), (225, 127785), (315, 91275), (375, 76671), (525, 54765), (675, 42595), (875, 32859), (945, 30425), (1125, 25557), (1217, 23625), (1575, 18255), (2625, 10953), (3375, 8519), (3651, 7875), (4725, 6085)]