2219805

素因数分解:

$3^7\times 5^1\times 7^1\times {\mathrm{29}}^1$

素因数の和:62

約数の個数: 64

約数和(自身を含む): 4723200

約数和(自身を除く): 2503395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 81, 87, 105, 135, 145, 189, 203, 243, 261, 315, 405, 435, 567, 609, 729, 783, 945, 1015, 1215, 1305, 1701, 1827, 2187, 2349, 2835, 3045, 3645, 3915, 5103, 5481, 7047, 8505, 9135, 10935, 11745, 15309, 16443, 21141, 25515, 27405, 35235, 49329, 63423, 76545, 82215, 105705, 147987, 246645, 317115, 443961, 739935, 2219805]

約数ペア:

[(1, 2219805), (3, 739935), (5, 443961), (7, 317115), (9, 246645), (15, 147987), (21, 105705), (27, 82215), (29, 76545), (35, 63423), (45, 49329), (63, 35235), (81, 27405), (87, 25515), (105, 21141), (135, 16443), (145, 15309), (189, 11745), (203, 10935), (243, 9135), (261, 8505), (315, 7047), (405, 5481), (435, 5103), (567, 3915), (609, 3645), (729, 3045), (783, 2835), (945, 2349), (1015, 2187), (1215, 1827), (1305, 1701)]