2011919805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{220243}}^1$

素因数の和:220290

約数の個数: 48

約数和(自身を含む): 4122967680

約数和(自身を除く): 2111047875

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 3045, 9135, 220243, 660729, 1101215, 1541701, 1982187, 3303645, 4625103, 6387047, 7708505, 9910935, 13875309, 19161141, 23125515, 31935235, 44709329, 57483423, 69376545, 95805705, 134127987, 223546645, 287417115, 402383961, 670639935, 2011919805]

約数ペア:

[(1, 2011919805), (3, 670639935), (5, 402383961), (7, 287417115), (9, 223546645), (15, 134127987), (21, 95805705), (29, 69376545), (35, 57483423), (45, 44709329), (63, 31935235), (87, 23125515), (105, 19161141), (145, 13875309), (203, 9910935), (261, 7708505), (315, 6387047), (435, 4625103), (609, 3303645), (1015, 1982187), (1305, 1541701), (1827, 1101215), (3045, 660729), (9135, 220243)]