81379728

素因数分解:

$2^4\times 3^6\times {\mathrm{6977}}^1$

素因数の和:7003

約数の個数: 70

約数和(自身を含む): 236435574

約数和(自身を除く): 155055846

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1296, 1458, 1944, 2916, 3888, 5832, 6977, 11664, 13954, 20931, 27908, 41862, 55816, 62793, 83724, 111632, 125586, 167448, 188379, 251172, 334896, 376758, 502344, 565137, 753516, 1004688, 1130274, 1507032, 1695411, 2260548, 3014064, 3390822, 4521096, 5086233, 6781644, 9042192, 10172466, 13563288, 20344932, 27126576, 40689864, 81379728]

約数ペア:

[(1, 81379728), (2, 40689864), (3, 27126576), (4, 20344932), (6, 13563288), (8, 10172466), (9, 9042192), (12, 6781644), (16, 5086233), (18, 4521096), (24, 3390822), (27, 3014064), (36, 2260548), (48, 1695411), (54, 1507032), (72, 1130274), (81, 1004688), (108, 753516), (144, 565137), (162, 502344), (216, 376758), (243, 334896), (324, 251172), (432, 188379), (486, 167448), (648, 125586), (729, 111632), (972, 83724), (1296, 62793), (1458, 55816), (1944, 41862), (2916, 27908), (3888, 20931), (5832, 13954), (6977, 11664)]