1999557615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{48281}}^1$

素因数の和:48551

約数の個数: 32

約数和(自身を含む): 3504114432

約数和(自身を除く): 1504556817

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 251, 753, 1255, 2761, 3765, 8283, 13805, 41415, 48281, 144843, 241405, 531091, 724215, 1593273, 2655455, 7966365, 12118531, 36355593, 60592655, 133303841, 181777965, 399911523, 666519205, 1999557615]

約数ペア:

[(1, 1999557615), (3, 666519205), (5, 399911523), (11, 181777965), (15, 133303841), (33, 60592655), (55, 36355593), (165, 12118531), (251, 7966365), (753, 2655455), (1255, 1593273), (2761, 724215), (3765, 531091), (8283, 241405), (13805, 144843), (41415, 48281)]