207952245

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 414771840

約数和(自身を除く): 206819595

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 251, 255, 285, 323, 361, 459, 513, 753, 765, 855, 969, 1083, 1255, 1615, 1805, 2259, 2295, 2565, 2907, 3249, 3765, 4267, 4769, 4845, 5415, 6137, 6777, 8721, 9747, 11295, 12801, 14307, 14535, 16245, 18411, 21335, 23845, 30685, 33885, 38403, 42921, 43605, 48735, 55233, 64005, 71535, 81073, 90611, 92055, 115209, 128763, 165699, 192015, 214605, 243219, 271833, 276165, 405365, 453055, 576045, 643815, 729657, 815499, 828495, 1216095, 1359165, 1540387, 2188971, 2446497, 3648285, 4077495, 4621161, 7701935, 10944855, 12232485, 13863483, 23105805, 41590449, 69317415, 207952245]

約数ペア:

[(1, 207952245), (3, 69317415), (5, 41590449), (9, 23105805), (15, 13863483), (17, 12232485), (19, 10944855), (27, 7701935), (45, 4621161), (51, 4077495), (57, 3648285), (85, 2446497), (95, 2188971), (135, 1540387), (153, 1359165), (171, 1216095), (251, 828495), (255, 815499), (285, 729657), (323, 643815), (361, 576045), (459, 453055), (513, 405365), (753, 276165), (765, 271833), (855, 243219), (969, 214605), (1083, 192015), (1255, 165699), (1615, 128763), (1805, 115209), (2259, 92055), (2295, 90611), (2565, 81073), (2907, 71535), (3249, 64005), (3765, 55233), (4267, 48735), (4769, 43605), (4845, 42921), (5415, 38403), (6137, 33885), (6777, 30685), (8721, 23845), (9747, 21335), (11295, 18411), (12801, 16245), (14307, 14535)]