881707911

素因数分解:

$3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{20899}}^1$

素因数の和:20964

約数の個数: 32

約数和(自身を含む): 1404480000

約数和(自身を除く): 522772089

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 343, 861, 1029, 2009, 6027, 14063, 20899, 42189, 62697, 146293, 438879, 856859, 1024051, 2570577, 3072153, 5998013, 7168357, 17994039, 21505071, 41986091, 125958273, 293902637, 881707911]

約数ペア:

[(1, 881707911), (3, 293902637), (7, 125958273), (21, 41986091), (41, 21505071), (49, 17994039), (123, 7168357), (147, 5998013), (287, 3072153), (343, 2570577), (861, 1024051), (1029, 856859), (2009, 438879), (6027, 146293), (14063, 62697), (20899, 42189)]