81898074

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 189423360

約数和(自身を除く): 107525286

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 71, 82, 123, 142, 213, 246, 369, 426, 521, 639, 738, 1042, 1107, 1278, 1563, 1917, 2214, 2911, 3126, 3834, 4689, 5822, 8733, 9378, 14067, 17466, 21361, 26199, 28134, 36991, 42722, 52398, 64083, 73982, 78597, 110973, 128166, 157194, 192249, 221946, 332919, 384498, 576747, 665838, 998757, 1153494, 1516631, 1997514, 3033262, 4549893, 9099786, 13649679, 27299358, 40949037, 81898074]

約数ペア:

[(1, 81898074), (2, 40949037), (3, 27299358), (6, 13649679), (9, 9099786), (18, 4549893), (27, 3033262), (41, 1997514), (54, 1516631), (71, 1153494), (82, 998757), (123, 665838), (142, 576747), (213, 384498), (246, 332919), (369, 221946), (426, 192249), (521, 157194), (639, 128166), (738, 110973), (1042, 78597), (1107, 73982), (1278, 64083), (1563, 52398), (1917, 42722), (2214, 36991), (2911, 28134), (3126, 26199), (3834, 21361), (4689, 17466), (5822, 14067), (8733, 9378)]