321005775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1367}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 553678848

約数和(自身を除く): 232673073

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 101, 155, 303, 465, 505, 775, 1367, 1515, 2325, 2525, 3131, 4101, 6835, 7575, 9393, 15655, 20505, 34175, 42377, 46965, 78275, 102525, 127131, 138067, 211885, 234825, 414201, 635655, 690335, 1059425, 2071005, 3178275, 3451675, 4280077, 10355025, 12840231, 21400385, 64201155, 107001925, 321005775]

約数ペア:

[(1, 321005775), (3, 107001925), (5, 64201155), (15, 21400385), (25, 12840231), (31, 10355025), (75, 4280077), (93, 3451675), (101, 3178275), (155, 2071005), (303, 1059425), (465, 690335), (505, 635655), (775, 414201), (1367, 234825), (1515, 211885), (2325, 138067), (2525, 127131), (3131, 102525), (4101, 78275), (6835, 46965), (7575, 42377), (9393, 34175), (15655, 20505)]