204564465

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 416625768

約数和(自身を除く): 212061303

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 113, 147, 245, 315, 339, 441, 565, 735, 791, 821, 1017, 1695, 2205, 2373, 2463, 3955, 4105, 5085, 5537, 5747, 7119, 7389, 11865, 12315, 16611, 17241, 27685, 28735, 35595, 36945, 40229, 49833, 51723, 83055, 86205, 92773, 120687, 201145, 249165, 258615, 278319, 362061, 463865, 603435, 649411, 834957, 1391595, 1810305, 1948233, 3247055, 4174785, 4545877, 5844699, 9741165, 13637631, 22729385, 29223495, 40912893, 68188155, 204564465]

約数ペア:

[(1, 204564465), (3, 68188155), (5, 40912893), (7, 29223495), (9, 22729385), (15, 13637631), (21, 9741165), (35, 5844699), (45, 4545877), (49, 4174785), (63, 3247055), (105, 1948233), (113, 1810305), (147, 1391595), (245, 834957), (315, 649411), (339, 603435), (441, 463865), (565, 362061), (735, 278319), (791, 258615), (821, 249165), (1017, 201145), (1695, 120687), (2205, 92773), (2373, 86205), (2463, 83055), (3955, 51723), (4105, 49833), (5085, 40229), (5537, 36945), (5747, 35595), (7119, 28735), (7389, 27685), (11865, 17241), (12315, 16611)]