71985105

素因数分解:

$3^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 134611200

約数和(自身を除く): 62626095

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 227, 243, 261, 405, 435, 681, 729, 783, 1135, 1215, 1305, 2043, 2187, 2349, 3405, 3645, 3915, 6129, 6583, 7047, 10215, 10935, 11745, 18387, 19749, 21141, 30645, 32915, 35235, 55161, 59247, 63423, 91935, 98745, 105705, 165483, 177741, 275805, 296235, 317115, 496449, 533223, 827415, 888705, 1599669, 2482245, 2666115, 4799007, 7998345, 14397021, 23995035, 71985105]

約数ペア:

[(1, 71985105), (3, 23995035), (5, 14397021), (9, 7998345), (15, 4799007), (27, 2666115), (29, 2482245), (45, 1599669), (81, 888705), (87, 827415), (135, 533223), (145, 496449), (227, 317115), (243, 296235), (261, 275805), (405, 177741), (435, 165483), (681, 105705), (729, 98745), (783, 91935), (1135, 63423), (1215, 59247), (1305, 55161), (2043, 35235), (2187, 32915), (2349, 30645), (3405, 21141), (3645, 19749), (3915, 18387), (6129, 11745), (6583, 10935), (7047, 10215)]