2143457955

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{25189}}^1$

素因数の和:25292

約数の個数: 48

約数和(自身を含む): 3898202880

約数和(自身を除く): 1754744925

約数列:

[1, 3, 5, 9, 15, 31, 45, 61, 93, 155, 183, 279, 305, 465, 549, 915, 1395, 1891, 2745, 5673, 9455, 17019, 25189, 28365, 75567, 85095, 125945, 226701, 377835, 780859, 1133505, 1536529, 2342577, 3904295, 4609587, 7027731, 7682645, 11712885, 13828761, 23047935, 35138655, 47632399, 69143805, 142897197, 238161995, 428691591, 714485985, 2143457955]

約数ペア:

[(1, 2143457955), (3, 714485985), (5, 428691591), (9, 238161995), (15, 142897197), (31, 69143805), (45, 47632399), (61, 35138655), (93, 23047935), (155, 13828761), (183, 11712885), (279, 7682645), (305, 7027731), (465, 4609587), (549, 3904295), (915, 2342577), (1395, 1536529), (1891, 1133505), (2745, 780859), (5673, 377835), (9455, 226701), (17019, 125945), (25189, 85095), (28365, 75567)]