207142455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1993}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 367821216

約数和(自身を除く): 160678761

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 169, 195, 205, 507, 533, 615, 845, 1599, 1993, 2535, 2665, 5979, 6929, 7995, 9965, 20787, 25909, 29895, 34645, 77727, 81713, 103935, 129545, 245139, 336817, 388635, 408565, 1010451, 1062269, 1225695, 1684085, 3186807, 5052255, 5311345, 13809497, 15934035, 41428491, 69047485, 207142455]

約数ペア:

[(1, 207142455), (3, 69047485), (5, 41428491), (13, 15934035), (15, 13809497), (39, 5311345), (41, 5052255), (65, 3186807), (123, 1684085), (169, 1225695), (195, 1062269), (205, 1010451), (507, 408565), (533, 388635), (615, 336817), (845, 245139), (1599, 129545), (1993, 103935), (2535, 81713), (2665, 77727), (5979, 34645), (6929, 29895), (7995, 25909), (9965, 20787)]