16881039

素因数分解:

$3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 28721160

約数和(自身を除く): 11840121

約数列:

[1, 3, 7, 9, 21, 49, 63, 101, 147, 303, 379, 441, 707, 909, 1137, 2121, 2653, 3411, 4949, 6363, 7959, 14847, 18571, 23877, 38279, 44541, 55713, 114837, 167139, 267953, 344511, 803859, 1875671, 2411577, 5627013, 16881039]

約数ペア:

[(1, 16881039), (3, 5627013), (7, 2411577), (9, 1875671), (21, 803859), (49, 344511), (63, 267953), (101, 167139), (147, 114837), (303, 55713), (379, 44541), (441, 38279), (707, 23877), (909, 18571), (1137, 14847), (2121, 7959), (2653, 6363), (3411, 4949)]