81361332

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 108

約数和(自身を含む): 228612384

約数和(自身を除く): 147251052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 169, 172, 234, 258, 311, 338, 387, 468, 507, 516, 559, 622, 676, 774, 933, 1014, 1118, 1244, 1521, 1548, 1677, 1866, 2028, 2236, 2799, 3042, 3354, 3732, 4043, 5031, 5598, 6084, 6708, 7267, 8086, 10062, 11196, 12129, 13373, 14534, 16172, 20124, 21801, 24258, 26746, 29068, 36387, 40119, 43602, 48516, 52559, 53492, 65403, 72774, 80238, 87204, 105118, 120357, 130806, 145548, 157677, 160476, 173849, 210236, 240714, 261612, 315354, 347698, 473031, 481428, 521547, 630708, 695396, 946062, 1043094, 1564641, 1892124, 2086188, 2260037, 3129282, 4520074, 6258564, 6780111, 9040148, 13560222, 20340333, 27120444, 40680666, 81361332]

約数ペア:

[(1, 81361332), (2, 40680666), (3, 27120444), (4, 20340333), (6, 13560222), (9, 9040148), (12, 6780111), (13, 6258564), (18, 4520074), (26, 3129282), (36, 2260037), (39, 2086188), (43, 1892124), (52, 1564641), (78, 1043094), (86, 946062), (117, 695396), (129, 630708), (156, 521547), (169, 481428), (172, 473031), (234, 347698), (258, 315354), (311, 261612), (338, 240714), (387, 210236), (468, 173849), (507, 160476), (516, 157677), (559, 145548), (622, 130806), (676, 120357), (774, 105118), (933, 87204), (1014, 80238), (1118, 72774), (1244, 65403), (1521, 53492), (1548, 52559), (1677, 48516), (1866, 43602), (2028, 40119), (2236, 36387), (2799, 29068), (3042, 26746), (3354, 24258), (3732, 21801), (4043, 20124), (5031, 16172), (5598, 14534), (6084, 13373), (6708, 12129), (7267, 11196), (8086, 10062)]