31722795

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 59728032

約数和(自身を除く): 28005237

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 211, 257, 585, 633, 771, 1055, 1285, 1899, 2313, 2743, 3165, 3341, 3855, 8229, 9495, 10023, 11565, 13715, 16705, 24687, 30069, 41145, 50115, 54227, 123435, 150345, 162681, 271135, 488043, 704951, 813405, 2114853, 2440215, 3524755, 6344559, 10574265, 31722795]

約数ペア:

[(1, 31722795), (3, 10574265), (5, 6344559), (9, 3524755), (13, 2440215), (15, 2114853), (39, 813405), (45, 704951), (65, 488043), (117, 271135), (195, 162681), (211, 150345), (257, 123435), (585, 54227), (633, 50115), (771, 41145), (1055, 30069), (1285, 24687), (1899, 16705), (2313, 13715), (2743, 11565), (3165, 10023), (3341, 9495), (3855, 8229)]