51931425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1127

約数の個数: 72

約数和(自身を含む): 107659776

約数和(自身を除く): 55728351

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 175, 195, 245, 273, 325, 455, 525, 637, 735, 975, 1087, 1225, 1365, 1911, 2275, 3185, 3261, 3675, 5435, 6825, 7609, 9555, 14131, 15925, 16305, 22827, 27175, 38045, 42393, 47775, 53263, 70655, 81525, 98917, 114135, 159789, 190225, 211965, 266315, 296751, 353275, 494585, 570675, 692419, 798945, 1059825, 1331575, 1483755, 2077257, 2472925, 3462095, 3994725, 7418775, 10386285, 17310475, 51931425]

約数ペア:

[(1, 51931425), (3, 17310475), (5, 10386285), (7, 7418775), (13, 3994725), (15, 3462095), (21, 2472925), (25, 2077257), (35, 1483755), (39, 1331575), (49, 1059825), (65, 798945), (75, 692419), (91, 570675), (105, 494585), (147, 353275), (175, 296751), (195, 266315), (245, 211965), (273, 190225), (325, 159789), (455, 114135), (525, 98917), (637, 81525), (735, 70655), (975, 53263), (1087, 47775), (1225, 42393), (1365, 38045), (1911, 27175), (2275, 22827), (3185, 16305), (3261, 15925), (3675, 14131), (5435, 9555), (6825, 7609)]