81405432

素因数分解:

$2^3\times 3^3\times {\mathrm{103}}^1\times {\mathrm{3659}}^1$

素因数の和:3777

約数の個数: 64

約数和(自身を含む): 228384000

約数和(自身を除く): 146978568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 103, 108, 206, 216, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2781, 3659, 3708, 5562, 7318, 7416, 10977, 11124, 14636, 21954, 22248, 29272, 32931, 43908, 65862, 87816, 98793, 131724, 197586, 263448, 376877, 395172, 753754, 790344, 1130631, 1507508, 2261262, 3015016, 3391893, 4522524, 6783786, 9045048, 10175679, 13567572, 20351358, 27135144, 40702716, 81405432]

約数ペア:

[(1, 81405432), (2, 40702716), (3, 27135144), (4, 20351358), (6, 13567572), (8, 10175679), (9, 9045048), (12, 6783786), (18, 4522524), (24, 3391893), (27, 3015016), (36, 2261262), (54, 1507508), (72, 1130631), (103, 790344), (108, 753754), (206, 395172), (216, 376877), (309, 263448), (412, 197586), (618, 131724), (824, 98793), (927, 87816), (1236, 65862), (1854, 43908), (2472, 32931), (2781, 29272), (3659, 22248), (3708, 21954), (5562, 14636), (7318, 11124), (7416, 10977)]