31401909

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 57193344

約数和(自身を除く): 25791435

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 113, 231, 339, 401, 693, 791, 1017, 1203, 1243, 2373, 2807, 3609, 3729, 4411, 7119, 8421, 8701, 11187, 13233, 25263, 26103, 30877, 39699, 45313, 78309, 92631, 135939, 277893, 317191, 407817, 498443, 951573, 1495329, 2854719, 3489101, 4485987, 10467303, 31401909]

約数ペア:

[(1, 31401909), (3, 10467303), (7, 4485987), (9, 3489101), (11, 2854719), (21, 1495329), (33, 951573), (63, 498443), (77, 407817), (99, 317191), (113, 277893), (231, 135939), (339, 92631), (401, 78309), (693, 45313), (791, 39699), (1017, 30877), (1203, 26103), (1243, 25263), (2373, 13233), (2807, 11187), (3609, 8701), (3729, 8421), (4411, 7119)]