1900981017

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 3015387648

約数和(自身を除く): 1114406631

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 281, 603, 843, 863, 871, 2529, 2589, 2613, 3653, 7767, 7839, 10959, 11219, 18827, 32877, 33657, 56481, 57821, 100971, 169443, 173463, 242503, 244751, 520389, 727509, 734253, 751673, 2182527, 2202759, 2255019, 3152539, 6765057, 9457617, 16247701, 28372851, 48743103, 146229309, 211220113, 633660339, 1900981017]

約数ペア:

[(1, 1900981017), (3, 633660339), (9, 211220113), (13, 146229309), (39, 48743103), (67, 28372851), (117, 16247701), (201, 9457617), (281, 6765057), (603, 3152539), (843, 2255019), (863, 2202759), (871, 2182527), (2529, 751673), (2589, 734253), (2613, 727509), (3653, 520389), (7767, 244751), (7839, 242503), (10959, 173463), (11219, 169443), (18827, 100971), (32877, 57821), (33657, 56481)]