13008975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 24998400

約数和(自身を除く): 11989425

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 175, 213, 349, 355, 497, 525, 1047, 1065, 1491, 1745, 1775, 2443, 2485, 5235, 5325, 7329, 7455, 8725, 12215, 12425, 24779, 26175, 36645, 37275, 61075, 74337, 123895, 173453, 183225, 371685, 520359, 619475, 867265, 1858425, 2601795, 4336325, 13008975]

約数ペア:

[(1, 13008975), (3, 4336325), (5, 2601795), (7, 1858425), (15, 867265), (21, 619475), (25, 520359), (35, 371685), (71, 183225), (75, 173453), (105, 123895), (175, 74337), (213, 61075), (349, 37275), (355, 36645), (497, 26175), (525, 24779), (1047, 12425), (1065, 12215), (1491, 8725), (1745, 7455), (1775, 7329), (2443, 5325), (2485, 5235)]