25238655

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 23992065

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 73, 117, 135, 195, 197, 219, 351, 365, 585, 591, 657, 949, 985, 1095, 1755, 1773, 1971, 2561, 2847, 2955, 3285, 4745, 5319, 7683, 8541, 8865, 9855, 12805, 14235, 14381, 23049, 25623, 26595, 38415, 42705, 43143, 69147, 71905, 115245, 128115, 129429, 186953, 215715, 345735, 388287, 560859, 647145, 934765, 1682577, 1941435, 2804295, 5047731, 8412885, 25238655]

約数ペア:

[(1, 25238655), (3, 8412885), (5, 5047731), (9, 2804295), (13, 1941435), (15, 1682577), (27, 934765), (39, 647145), (45, 560859), (65, 388287), (73, 345735), (117, 215715), (135, 186953), (195, 129429), (197, 128115), (219, 115245), (351, 71905), (365, 69147), (585, 43143), (591, 42705), (657, 38415), (949, 26595), (985, 25623), (1095, 23049), (1755, 14381), (1773, 14235), (1971, 12805), (2561, 9855), (2847, 8865), (2955, 8541), (3285, 7683), (4745, 5319)]