142151891

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 178022400

約数和(自身を除く): 35870509

約数列:

[1, 7, 23, 37, 49, 161, 259, 343, 487, 851, 1127, 1813, 3409, 5957, 7889, 11201, 12691, 18019, 23863, 41699, 78407, 126133, 167041, 291893, 414437, 548849, 882931, 2901059, 3841943, 6180517, 20307413, 142151891]

約数ペア:

[(1, 142151891), (7, 20307413), (23, 6180517), (37, 3841943), (49, 2901059), (161, 882931), (259, 548849), (343, 414437), (487, 291893), (851, 167041), (1127, 126133), (1813, 78407), (3409, 41699), (5957, 23863), (7889, 18019), (11201, 12691)]