201325257

素因数分解:

$3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1667}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 349719552

約数和(自身を除く): 148394295

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 243, 497, 567, 639, 1491, 1667, 1701, 1917, 4473, 5001, 5751, 11669, 13419, 15003, 17253, 35007, 40257, 45009, 105021, 118357, 120771, 135027, 315063, 355071, 405081, 828499, 945189, 1065213, 2485497, 2835567, 3195639, 7456491, 9586917, 22369473, 28760751, 67108419, 201325257]

約数ペア:

[(1, 201325257), (3, 67108419), (7, 28760751), (9, 22369473), (21, 9586917), (27, 7456491), (63, 3195639), (71, 2835567), (81, 2485497), (189, 1065213), (213, 945189), (243, 828499), (497, 405081), (567, 355071), (639, 315063), (1491, 135027), (1667, 120771), (1701, 118357), (1917, 105021), (4473, 45009), (5001, 40257), (5751, 35007), (11669, 17253), (13419, 15003)]