67990587

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 112039200

約数和(自身を除く): 44048613

約数列:

[1, 3, 7, 21, 29, 41, 49, 87, 123, 147, 203, 287, 389, 609, 861, 1167, 1189, 1421, 2009, 2723, 3567, 4263, 6027, 8169, 8323, 11281, 15949, 19061, 24969, 33843, 47847, 57183, 58261, 78967, 111643, 174783, 236901, 334929, 462521, 552769, 781501, 1387563, 1658307, 2344503, 3237647, 9712941, 22663529, 67990587]

約数ペア:

[(1, 67990587), (3, 22663529), (7, 9712941), (21, 3237647), (29, 2344503), (41, 1658307), (49, 1387563), (87, 781501), (123, 552769), (147, 462521), (203, 334929), (287, 236901), (389, 174783), (609, 111643), (861, 78967), (1167, 58261), (1189, 57183), (1421, 47847), (2009, 33843), (2723, 24969), (3567, 19061), (4263, 15949), (6027, 11281), (8169, 8323)]