39742965

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 79073280

約数和(自身を除く): 39330315

約数列:

[1, 3, 5, 9, 15, 19, 23, 43, 45, 47, 57, 69, 95, 115, 129, 141, 171, 207, 215, 235, 285, 345, 387, 423, 437, 645, 705, 817, 855, 893, 989, 1035, 1081, 1311, 1935, 2021, 2115, 2185, 2451, 2679, 2967, 3243, 3933, 4085, 4465, 4945, 5405, 6063, 6555, 7353, 8037, 8901, 9729, 10105, 12255, 13395, 14835, 16215, 18189, 18791, 19665, 20539, 30315, 36765, 38399, 40185, 44505, 46483, 48645, 56373, 61617, 90945, 93955, 102695, 115197, 139449, 169119, 184851, 191995, 232415, 281865, 308085, 345591, 418347, 575985, 697245, 845595, 883177, 924255, 1727955, 2091735, 2649531, 4415885, 7948593, 13247655, 39742965]

約数ペア:

[(1, 39742965), (3, 13247655), (5, 7948593), (9, 4415885), (15, 2649531), (19, 2091735), (23, 1727955), (43, 924255), (45, 883177), (47, 845595), (57, 697245), (69, 575985), (95, 418347), (115, 345591), (129, 308085), (141, 281865), (171, 232415), (207, 191995), (215, 184851), (235, 169119), (285, 139449), (345, 115197), (387, 102695), (423, 93955), (437, 90945), (645, 61617), (705, 56373), (817, 48645), (855, 46483), (893, 44505), (989, 40185), (1035, 38399), (1081, 36765), (1311, 30315), (1935, 20539), (2021, 19665), (2115, 18791), (2185, 18189), (2451, 16215), (2679, 14835), (2967, 13395), (3243, 12255), (3933, 10105), (4085, 9729), (4465, 8901), (4945, 8037), (5405, 7353), (6063, 6555)]