28471821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 46303488

約数和(自身を除く): 17831667

約数列:

[1, 3, 7, 17, 21, 51, 119, 173, 357, 461, 519, 1211, 1383, 2941, 3227, 3633, 7837, 8823, 9681, 20587, 23511, 54859, 61761, 79753, 164577, 239259, 558271, 1355801, 1674813, 4067403, 9490607, 28471821]

約数ペア:

[(1, 28471821), (3, 9490607), (7, 4067403), (17, 1674813), (21, 1355801), (51, 558271), (119, 239259), (173, 164577), (357, 79753), (461, 61761), (519, 54859), (1211, 23511), (1383, 20587), (2941, 9681), (3227, 8823), (3633, 7837)]