27981870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7013}}^1$

素因数の和:7049

約数の個数: 64

約数和(自身を含む): 80801280

約数和(自身を除く): 52819410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 7013, 14026, 21039, 35065, 42078, 49091, 70130, 98182, 105195, 133247, 147273, 210390, 245455, 266494, 294546, 399741, 490910, 666235, 736365, 799482, 932729, 1332470, 1472730, 1865458, 1998705, 2798187, 3997410, 4663645, 5596374, 9327290, 13990935, 27981870]

約数ペア:

[(1, 27981870), (2, 13990935), (3, 9327290), (5, 5596374), (6, 4663645), (7, 3997410), (10, 2798187), (14, 1998705), (15, 1865458), (19, 1472730), (21, 1332470), (30, 932729), (35, 799482), (38, 736365), (42, 666235), (57, 490910), (70, 399741), (95, 294546), (105, 266494), (114, 245455), (133, 210390), (190, 147273), (210, 133247), (266, 105195), (285, 98182), (399, 70130), (570, 49091), (665, 42078), (798, 35065), (1330, 21039), (1995, 14026), (3990, 7013)]