31212918

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 81012960

約数和(自身を除く): 49800042

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 33, 34, 51, 54, 66, 99, 102, 121, 153, 187, 198, 242, 281, 297, 306, 363, 374, 459, 561, 562, 594, 726, 843, 918, 1089, 1122, 1683, 1686, 2057, 2178, 2529, 3091, 3267, 3366, 4114, 4777, 5049, 5058, 6171, 6182, 6534, 7587, 9273, 9554, 10098, 12342, 14331, 15174, 18513, 18546, 27819, 28662, 34001, 37026, 42993, 52547, 55539, 55638, 68002, 83457, 85986, 102003, 105094, 111078, 128979, 157641, 166914, 204006, 257958, 306009, 315282, 472923, 578017, 612018, 918027, 945846, 1156034, 1418769, 1734051, 1836054, 2837538, 3468102, 5202153, 10404306, 15606459, 31212918]

約数ペア:

[(1, 31212918), (2, 15606459), (3, 10404306), (6, 5202153), (9, 3468102), (11, 2837538), (17, 1836054), (18, 1734051), (22, 1418769), (27, 1156034), (33, 945846), (34, 918027), (51, 612018), (54, 578017), (66, 472923), (99, 315282), (102, 306009), (121, 257958), (153, 204006), (187, 166914), (198, 157641), (242, 128979), (281, 111078), (297, 105094), (306, 102003), (363, 85986), (374, 83457), (459, 68002), (561, 55638), (562, 55539), (594, 52547), (726, 42993), (843, 37026), (918, 34001), (1089, 28662), (1122, 27819), (1683, 18546), (1686, 18513), (2057, 15174), (2178, 14331), (2529, 12342), (3091, 10098), (3267, 9554), (3366, 9273), (4114, 7587), (4777, 6534), (5049, 6182), (5058, 6171)]