78358725

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4003}}^1$

素因数の和:4051

約数の個数: 48

約数和(自身を含む): 148948800

約数和(自身を除く): 70590075

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 1305, 2175, 3915, 4003, 6525, 12009, 19575, 20015, 36027, 60045, 100075, 108081, 116087, 180135, 300225, 348261, 540405, 580435, 900675, 1044783, 1741305, 2702025, 2902175, 3134349, 5223915, 8706525, 15671745, 26119575, 78358725]

約数ペア:

[(1, 78358725), (3, 26119575), (5, 15671745), (9, 8706525), (15, 5223915), (25, 3134349), (27, 2902175), (29, 2702025), (45, 1741305), (75, 1044783), (87, 900675), (135, 580435), (145, 540405), (225, 348261), (261, 300225), (435, 180135), (675, 116087), (725, 108081), (783, 100075), (1305, 60045), (2175, 36027), (3915, 20015), (4003, 19575), (6525, 12009)]