989681595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1151}}^1$

素因数の和:1616

約数の個数: 64

約数和(自身を含む): 1911029760

約数和(自身を除く): 921348165

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 431, 665, 1151, 1293, 1995, 2155, 3017, 3453, 5755, 6465, 8057, 8189, 9051, 15085, 17265, 21869, 24171, 24567, 40285, 40945, 45255, 57323, 65607, 109345, 120855, 122835, 153083, 171969, 286615, 328035, 459249, 496081, 765415, 859845, 1488243, 2296245, 2480405, 3472567, 7441215, 9425539, 10417701, 17362835, 28276617, 47127695, 52088505, 65978773, 141383085, 197936319, 329893865, 989681595]

約数ペア:

[(1, 989681595), (3, 329893865), (5, 197936319), (7, 141383085), (15, 65978773), (19, 52088505), (21, 47127695), (35, 28276617), (57, 17362835), (95, 10417701), (105, 9425539), (133, 7441215), (285, 3472567), (399, 2480405), (431, 2296245), (665, 1488243), (1151, 859845), (1293, 765415), (1995, 496081), (2155, 459249), (3017, 328035), (3453, 286615), (5755, 171969), (6465, 153083), (8057, 122835), (8189, 120855), (9051, 109345), (15085, 65607), (17265, 57323), (21869, 45255), (24171, 40945), (24567, 40285)]