2019916984725

素因数分解:

$3^5\times 5^2\times {\mathrm{449}}^1\times {\mathrm{740527}}^1$

素因数の和:741001

約数の個数: 72

約数和(自身を含む): 3760253078400

約数和(自身を除く): 1740336093675

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 449, 675, 1215, 1347, 2025, 2245, 4041, 6075, 6735, 11225, 12123, 20205, 33675, 36369, 60615, 101025, 109107, 181845, 303075, 545535, 740527, 909225, 2221581, 2727675, 3702635, 6664743, 11107905, 18513175, 19994229, 33323715, 55539525, 59982687, 99971145, 166618575, 179948061, 299913435, 332496623, 499855725, 899740305, 997489869, 1499567175, 1662483115, 2992469607, 4498701525, 4987449345, 8312415575, 8977408821, 14962348035, 24937246725, 26932226463, 44887044105, 74811740175, 80796679389, 134661132315, 224435220525, 403983396945, 673305661575, 2019916984725]

約数ペア:

[(1, 2019916984725), (3, 673305661575), (5, 403983396945), (9, 224435220525), (15, 134661132315), (25, 80796679389), (27, 74811740175), (45, 44887044105), (75, 26932226463), (81, 24937246725), (135, 14962348035), (225, 8977408821), (243, 8312415575), (405, 4987449345), (449, 4498701525), (675, 2992469607), (1215, 1662483115), (1347, 1499567175), (2025, 997489869), (2245, 899740305), (4041, 499855725), (6075, 332496623), (6735, 299913435), (11225, 179948061), (12123, 166618575), (20205, 99971145), (33675, 59982687), (36369, 55539525), (60615, 33323715), (101025, 19994229), (109107, 18513175), (181845, 11107905), (303075, 6664743), (545535, 3702635), (740527, 2727675), (909225, 2221581)]