1881747

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 3361176

約数和(自身を除く): 1479429

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 251, 357, 441, 753, 833, 1071, 1757, 2259, 2499, 4267, 5271, 7497, 12299, 12801, 15813, 29869, 36897, 38403, 89607, 110691, 209083, 268821, 627249, 1881747]

約数ペア:

[(1, 1881747), (3, 627249), (7, 268821), (9, 209083), (17, 110691), (21, 89607), (49, 38403), (51, 36897), (63, 29869), (119, 15813), (147, 12801), (153, 12299), (251, 7497), (357, 5271), (441, 4267), (753, 2499), (833, 2259), (1071, 1757)]