251570475

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28669}}^1$

素因数の和:28701

約数の個数: 48

約数和(自身を含む): 497711200

約数和(自身を除く): 246140725

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2925, 8775, 28669, 86007, 143345, 258021, 372697, 430035, 716725, 774063, 1118091, 1290105, 1863485, 2150175, 3354273, 3870315, 5590455, 6450525, 9317425, 10062819, 16771365, 19351575, 27952275, 50314095, 83856825, 251570475]

約数ペア:

[(1, 251570475), (3, 83856825), (5, 50314095), (9, 27952275), (13, 19351575), (15, 16771365), (25, 10062819), (27, 9317425), (39, 6450525), (45, 5590455), (65, 3870315), (75, 3354273), (117, 2150175), (135, 1863485), (195, 1290105), (225, 1118091), (325, 774063), (351, 716725), (585, 430035), (675, 372697), (975, 258021), (1755, 143345), (2925, 86007), (8775, 28669)]