265009215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{3989}}^1$

素因数の和:4143

約数の個数: 32

約数和(自身を含む): 438197760

約数和(自身を除く): 173188545

約数列:

[1, 3, 5, 15, 43, 103, 129, 215, 309, 515, 645, 1545, 3989, 4429, 11967, 13287, 19945, 22145, 59835, 66435, 171527, 410867, 514581, 857635, 1232601, 2054335, 2572905, 6163005, 17667281, 53001843, 88336405, 265009215]

約数ペア:

[(1, 265009215), (3, 88336405), (5, 53001843), (15, 17667281), (43, 6163005), (103, 2572905), (129, 2054335), (215, 1232601), (309, 857635), (515, 514581), (645, 410867), (1545, 171527), (3989, 66435), (4429, 59835), (11967, 22145), (13287, 19945)]