72391977

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12911}}^1$

素因数の和:13013

約数の個数: 24

約数和(自身を含む): 120856320

約数和(自身を除く): 48464343

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 12911, 38733, 90377, 116199, 271131, 813393, 1149079, 3447237, 8043553, 10341711, 24130659, 72391977]

約数ペア:

[(1, 72391977), (3, 24130659), (7, 10341711), (9, 8043553), (21, 3447237), (63, 1149079), (89, 813393), (267, 271131), (623, 116199), (801, 90377), (1869, 38733), (5607, 12911)]