56215515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2477}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 96344640

約数和(自身を除く): 40129125

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1335, 1513, 2477, 4539, 7431, 7565, 12385, 22695, 37155, 42109, 126327, 210545, 220453, 631635, 661359, 1102265, 3306795, 3747701, 11243103, 18738505, 56215515]

約数ペア:

[(1, 56215515), (3, 18738505), (5, 11243103), (15, 3747701), (17, 3306795), (51, 1102265), (85, 661359), (89, 631635), (255, 220453), (267, 210545), (445, 126327), (1335, 42109), (1513, 37155), (2477, 22695), (4539, 12385), (7431, 7565)]