31228065

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1279

約数の個数: 64

約数和(自身を含む): 64177920

約数和(自身を除く): 32949855

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 135, 153, 165, 187, 255, 297, 459, 495, 561, 765, 935, 1237, 1485, 1683, 2295, 2805, 3711, 5049, 6185, 8415, 11133, 13607, 18555, 21029, 25245, 33399, 40821, 55665, 63087, 68035, 105145, 122463, 166995, 189261, 204105, 231319, 315435, 367389, 567783, 612315, 693957, 946305, 1156595, 1836945, 2081871, 2838915, 3469785, 6245613, 10409355, 31228065]

約数ペア:

[(1, 31228065), (3, 10409355), (5, 6245613), (9, 3469785), (11, 2838915), (15, 2081871), (17, 1836945), (27, 1156595), (33, 946305), (45, 693957), (51, 612315), (55, 567783), (85, 367389), (99, 315435), (135, 231319), (153, 204105), (165, 189261), (187, 166995), (255, 122463), (297, 105145), (459, 68035), (495, 63087), (561, 55665), (765, 40821), (935, 33399), (1237, 25245), (1485, 21029), (1683, 18555), (2295, 13607), (2805, 11133), (3711, 8415), (5049, 6185)]