648021213

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{401}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 1086673536

約数和(自身を除く): 438652323

約数列:

[1, 3, 7, 9, 21, 63, 113, 227, 339, 401, 681, 791, 1017, 1203, 1589, 2043, 2373, 2807, 3609, 4767, 7119, 8421, 14301, 25263, 25651, 45313, 76953, 91027, 135939, 179557, 230859, 273081, 317191, 407817, 538671, 637189, 819243, 951573, 1616013, 1911567, 2854719, 5734701, 10286051, 30858153, 72002357, 92574459, 216007071, 648021213]

約数ペア:

[(1, 648021213), (3, 216007071), (7, 92574459), (9, 72002357), (21, 30858153), (63, 10286051), (113, 5734701), (227, 2854719), (339, 1911567), (401, 1616013), (681, 951573), (791, 819243), (1017, 637189), (1203, 538671), (1589, 407817), (2043, 317191), (2373, 273081), (2807, 230859), (3609, 179557), (4767, 135939), (7119, 91027), (8421, 76953), (14301, 45313), (25263, 25651)]