67221255

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 111386880

約数和(自身を除く): 44165625

約数列:

[1, 3, 5, 15, 43, 89, 129, 215, 267, 445, 645, 1171, 1335, 3513, 3827, 5855, 11481, 17565, 19135, 50353, 57405, 104219, 151059, 251765, 312657, 521095, 755295, 1563285, 4481417, 13444251, 22407085, 67221255]

約数ペア:

[(1, 67221255), (3, 22407085), (5, 13444251), (15, 4481417), (43, 1563285), (89, 755295), (129, 521095), (215, 312657), (267, 251765), (445, 151059), (645, 104219), (1171, 57405), (1335, 50353), (3513, 19135), (3827, 17565), (5855, 11481)]