61979229

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 107867520

約数和(自身を除く): 45888291

約数列:

[1, 3, 9, 13, 17, 27, 39, 47, 51, 117, 141, 153, 169, 221, 289, 351, 423, 459, 507, 611, 663, 799, 867, 1269, 1521, 1833, 1989, 2397, 2601, 2873, 3757, 4563, 5499, 5967, 7191, 7803, 7943, 8619, 10387, 11271, 13583, 16497, 21573, 23829, 25857, 31161, 33813, 40749, 48841, 71487, 77571, 93483, 101439, 122247, 135031, 146523, 176579, 214461, 280449, 366741, 405093, 439569, 529737, 1215279, 1318707, 1589211, 2295527, 3645837, 4767633, 6886581, 20659743, 61979229]

約数ペア:

[(1, 61979229), (3, 20659743), (9, 6886581), (13, 4767633), (17, 3645837), (27, 2295527), (39, 1589211), (47, 1318707), (51, 1215279), (117, 529737), (141, 439569), (153, 405093), (169, 366741), (221, 280449), (289, 214461), (351, 176579), (423, 146523), (459, 135031), (507, 122247), (611, 101439), (663, 93483), (799, 77571), (867, 71487), (1269, 48841), (1521, 40749), (1833, 33813), (1989, 31161), (2397, 25857), (2601, 23829), (2873, 21573), (3757, 16497), (4563, 13583), (5499, 11271), (5967, 10387), (7191, 8619), (7803, 7943)]