16115325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 28807680

約数和(自身を除く): 12692355

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 263, 285, 475, 645, 789, 817, 1075, 1315, 1425, 2451, 3225, 3945, 4085, 4997, 6575, 11309, 12255, 14991, 19725, 20425, 24985, 33927, 56545, 61275, 74955, 124925, 169635, 214871, 282725, 374775, 644613, 848175, 1074355, 3223065, 5371775, 16115325]

約数ペア:

[(1, 16115325), (3, 5371775), (5, 3223065), (15, 1074355), (19, 848175), (25, 644613), (43, 374775), (57, 282725), (75, 214871), (95, 169635), (129, 124925), (215, 74955), (263, 61275), (285, 56545), (475, 33927), (645, 24985), (789, 20425), (817, 19725), (1075, 14991), (1315, 12255), (1425, 11309), (2451, 6575), (3225, 4997), (3945, 4085)]