28545237

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1802

約数の個数: 32

約数和(自身を含む): 48902400

約数和(自身を除く): 20357163

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1697, 1869, 2403, 5091, 5607, 11879, 15273, 16821, 35637, 45819, 106911, 151033, 320733, 453099, 1057231, 1359297, 3171693, 4077891, 9515079, 28545237]

約数ペア:

[(1, 28545237), (3, 9515079), (7, 4077891), (9, 3171693), (21, 1359297), (27, 1057231), (63, 453099), (89, 320733), (189, 151033), (267, 106911), (623, 45819), (801, 35637), (1697, 16821), (1869, 15273), (2403, 11879), (5091, 5607)]