678476745

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 1193512320

約数和(自身を除く): 515035575

約数列:

[1, 3, 5, 9, 15, 45, 137, 167, 411, 501, 659, 685, 835, 1233, 1503, 1977, 2055, 2505, 3295, 5931, 6165, 7515, 9885, 22879, 29655, 68637, 90283, 110053, 114395, 205911, 270849, 330159, 343185, 451415, 550265, 812547, 990477, 1029555, 1354245, 1650795, 4062735, 4952385, 15077261, 45231783, 75386305, 135695349, 226158915, 678476745]

約数ペア:

[(1, 678476745), (3, 226158915), (5, 135695349), (9, 75386305), (15, 45231783), (45, 15077261), (137, 4952385), (167, 4062735), (411, 1650795), (501, 1354245), (659, 1029555), (685, 990477), (835, 812547), (1233, 550265), (1503, 451415), (1977, 343185), (2055, 330159), (2505, 270849), (3295, 205911), (5931, 114395), (6165, 110053), (7515, 90283), (9885, 68637), (22879, 29655)]