217440405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1831}}^1$

素因数の和:1891

約数の個数: 96

約数和(自身を含む): 480130560

約数和(自身を除く): 262690155

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 29, 35, 39, 45, 63, 65, 87, 91, 105, 117, 145, 195, 203, 261, 273, 315, 377, 435, 455, 585, 609, 819, 1015, 1131, 1305, 1365, 1827, 1831, 1885, 2639, 3045, 3393, 4095, 5493, 5655, 7917, 9135, 9155, 12817, 13195, 16479, 16965, 23751, 23803, 27465, 38451, 39585, 53099, 64085, 71409, 82395, 115353, 118755, 119015, 159297, 166621, 192255, 214227, 265495, 357045, 371693, 477891, 499863, 576765, 690287, 796485, 833105, 1071135, 1115079, 1499589, 1858465, 2070861, 2389455, 2499315, 3345237, 3451435, 4832009, 5575395, 6212583, 7497945, 10354305, 14496027, 16726185, 24160045, 31062915, 43488081, 72480135, 217440405]

約数ペア:

[(1, 217440405), (3, 72480135), (5, 43488081), (7, 31062915), (9, 24160045), (13, 16726185), (15, 14496027), (21, 10354305), (29, 7497945), (35, 6212583), (39, 5575395), (45, 4832009), (63, 3451435), (65, 3345237), (87, 2499315), (91, 2389455), (105, 2070861), (117, 1858465), (145, 1499589), (195, 1115079), (203, 1071135), (261, 833105), (273, 796485), (315, 690287), (377, 576765), (435, 499863), (455, 477891), (585, 371693), (609, 357045), (819, 265495), (1015, 214227), (1131, 192255), (1305, 166621), (1365, 159297), (1827, 119015), (1831, 118755), (1885, 115353), (2639, 82395), (3045, 71409), (3393, 64085), (4095, 53099), (5493, 39585), (5655, 38451), (7917, 27465), (9135, 23803), (9155, 23751), (12817, 16965), (13195, 16479)]