201291975

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 381038112

約数和(自身を除く): 179746137

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 97, 115, 207, 225, 291, 345, 401, 485, 575, 873, 1035, 1203, 1455, 1725, 2005, 2231, 2425, 3609, 4365, 5175, 6015, 6693, 7275, 9223, 10025, 11155, 18045, 20079, 21825, 27669, 30075, 33465, 38897, 46115, 55775, 83007, 90225, 100395, 116691, 138345, 167325, 194485, 230575, 350073, 415035, 501975, 583455, 691725, 894631, 972425, 1750365, 2075175, 2683893, 2917275, 4473155, 8051679, 8751825, 13419465, 22365775, 40258395, 67097325, 201291975]

約数ペア:

[(1, 201291975), (3, 67097325), (5, 40258395), (9, 22365775), (15, 13419465), (23, 8751825), (25, 8051679), (45, 4473155), (69, 2917275), (75, 2683893), (97, 2075175), (115, 1750365), (207, 972425), (225, 894631), (291, 691725), (345, 583455), (401, 501975), (485, 415035), (575, 350073), (873, 230575), (1035, 194485), (1203, 167325), (1455, 138345), (1725, 116691), (2005, 100395), (2231, 90225), (2425, 83007), (3609, 55775), (4365, 46115), (5175, 38897), (6015, 33465), (6693, 30075), (7275, 27669), (9223, 21825), (10025, 20079), (11155, 18045)]