87827823

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 141223680

約数和(自身を除く): 53395857

約数列:

[1, 3, 9, 19, 23, 57, 69, 137, 163, 171, 207, 411, 437, 489, 1233, 1311, 1467, 2603, 3097, 3151, 3749, 3933, 7809, 9291, 9453, 11247, 22331, 23427, 27873, 28359, 33741, 59869, 66993, 71231, 179607, 200979, 213693, 424289, 513613, 538821, 641079, 1272867, 1540839, 3818601, 4622517, 9758647, 29275941, 87827823]

約数ペア:

[(1, 87827823), (3, 29275941), (9, 9758647), (19, 4622517), (23, 3818601), (57, 1540839), (69, 1272867), (137, 641079), (163, 538821), (171, 513613), (207, 424289), (411, 213693), (437, 200979), (489, 179607), (1233, 71231), (1311, 66993), (1467, 59869), (2603, 33741), (3097, 28359), (3151, 27873), (3749, 23427), (3933, 22331), (7809, 11247), (9291, 9453)]