204811215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 385523712

約数和(自身を除く): 180712497

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 83, 105, 213, 249, 331, 355, 415, 497, 581, 993, 1065, 1245, 1491, 1655, 1743, 2317, 2485, 2905, 4965, 5893, 6951, 7455, 8715, 11585, 17679, 23501, 27473, 29465, 34755, 41251, 70503, 82419, 88395, 117505, 123753, 137365, 164507, 192311, 206255, 352515, 412095, 493521, 576933, 618765, 822535, 961555, 1950583, 2467605, 2884665, 5851749, 9752915, 13654081, 29258745, 40962243, 68270405, 204811215]

約数ペア:

[(1, 204811215), (3, 68270405), (5, 40962243), (7, 29258745), (15, 13654081), (21, 9752915), (35, 5851749), (71, 2884665), (83, 2467605), (105, 1950583), (213, 961555), (249, 822535), (331, 618765), (355, 576933), (415, 493521), (497, 412095), (581, 352515), (993, 206255), (1065, 192311), (1245, 164507), (1491, 137365), (1655, 123753), (1743, 117505), (2317, 88395), (2485, 82419), (2905, 70503), (4965, 41251), (5893, 34755), (6951, 29465), (7455, 27473), (8715, 23501), (11585, 17679)]