2639247

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 4085760

約数和(自身を除く): 1446513

約数列:

[1, 3, 13, 31, 37, 39, 59, 93, 111, 177, 403, 481, 767, 1147, 1209, 1443, 1829, 2183, 2301, 3441, 5487, 6549, 14911, 23777, 28379, 44733, 67673, 71331, 85137, 203019, 879749, 2639247]

約数ペア:

[(1, 2639247), (3, 879749), (13, 203019), (31, 85137), (37, 71331), (39, 67673), (59, 44733), (93, 28379), (111, 23777), (177, 14911), (403, 6549), (481, 5487), (767, 3441), (1147, 2301), (1209, 2183), (1443, 1829)]