259698885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{11443}}^1$

素因数の和:11557

約数の個数: 32

約数和(自身を含む): 444942720

約数和(自身を除く): 185243835

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1335, 1513, 4539, 7565, 11443, 22695, 34329, 57215, 171645, 194531, 583593, 972655, 1018427, 2917965, 3055281, 5092135, 15276405, 17313259, 51939777, 86566295, 259698885]

約数ペア:

[(1, 259698885), (3, 86566295), (5, 51939777), (15, 17313259), (17, 15276405), (51, 5092135), (85, 3055281), (89, 2917965), (255, 1018427), (267, 972655), (445, 583593), (1335, 194531), (1513, 171645), (4539, 57215), (7565, 34329), (11443, 22695)]