31443426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4091}}^1$

素因数の和:4167

約数の個数: 48

約数和(自身を含む): 79155648

約数和(自身を除く): 47712222

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 3843, 4091, 7686, 8182, 12273, 24546, 28637, 36819, 57274, 73638, 85911, 171822, 249551, 257733, 499102, 515466, 748653, 1497306, 1746857, 2245959, 3493714, 4491918, 5240571, 10481142, 15721713, 31443426]

約数ペア:

[(1, 31443426), (2, 15721713), (3, 10481142), (6, 5240571), (7, 4491918), (9, 3493714), (14, 2245959), (18, 1746857), (21, 1497306), (42, 748653), (61, 515466), (63, 499102), (122, 257733), (126, 249551), (183, 171822), (366, 85911), (427, 73638), (549, 57274), (854, 36819), (1098, 28637), (1281, 24546), (2562, 12273), (3843, 8182), (4091, 7686)]