212516865

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15901}}^1$

素因数の和:15932

約数の個数: 48

約数和(自身を含む): 416759616

約数和(自身を除く): 204242751

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1215, 1485, 2673, 4455, 13365, 15901, 47703, 79505, 143109, 174911, 238515, 429327, 524733, 715545, 874555, 1287981, 1574199, 2146635, 2623665, 3863943, 4722597, 6439905, 7870995, 14167791, 19319715, 23612985, 42503373, 70838955, 212516865]

約数ペア:

[(1, 212516865), (3, 70838955), (5, 42503373), (9, 23612985), (11, 19319715), (15, 14167791), (27, 7870995), (33, 6439905), (45, 4722597), (55, 3863943), (81, 2623665), (99, 2146635), (135, 1574199), (165, 1287981), (243, 874555), (297, 715545), (405, 524733), (495, 429327), (891, 238515), (1215, 174911), (1485, 143109), (2673, 79505), (4455, 47703), (13365, 15901)]