156974145

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 254669184

約数和(自身を除く): 97695039

約数列:

[1, 3, 5, 15, 173, 241, 251, 519, 723, 753, 865, 1205, 1255, 2595, 3615, 3765, 41693, 43423, 60491, 125079, 130269, 181473, 208465, 217115, 302455, 625395, 651345, 907365, 10464943, 31394829, 52324715, 156974145]

約数ペア:

[(1, 156974145), (3, 52324715), (5, 31394829), (15, 10464943), (173, 907365), (241, 651345), (251, 625395), (519, 302455), (723, 217115), (753, 208465), (865, 181473), (1205, 130269), (1255, 125079), (2595, 60491), (3615, 43423), (3765, 41693)]