648879693

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 1159188480

約数和(自身を除く): 510308787

約数列:

[1, 3, 7, 11, 21, 31, 33, 37, 77, 79, 93, 111, 217, 231, 237, 259, 341, 407, 553, 651, 777, 869, 961, 1023, 1147, 1221, 1659, 2387, 2449, 2607, 2849, 2883, 2923, 3441, 6083, 6727, 7161, 7347, 8029, 8547, 8769, 10571, 12617, 17143, 18249, 20181, 20461, 24087, 26939, 31713, 32153, 35557, 37851, 51429, 61383, 73997, 75919, 80817, 88319, 90613, 96459, 106671, 188573, 221991, 225071, 227757, 248899, 264957, 271839, 391127, 531433, 565719, 634291, 675213, 746697, 835109, 996743, 1173381, 1594299, 1902873, 2505327, 2737889, 2809003, 2990229, 5845763, 6977201, 8213667, 8427009, 17537289, 19663021, 20931603, 30899033, 58989063, 92697099, 216293231, 648879693]

約数ペア:

[(1, 648879693), (3, 216293231), (7, 92697099), (11, 58989063), (21, 30899033), (31, 20931603), (33, 19663021), (37, 17537289), (77, 8427009), (79, 8213667), (93, 6977201), (111, 5845763), (217, 2990229), (231, 2809003), (237, 2737889), (259, 2505327), (341, 1902873), (407, 1594299), (553, 1173381), (651, 996743), (777, 835109), (869, 746697), (961, 675213), (1023, 634291), (1147, 565719), (1221, 531433), (1659, 391127), (2387, 271839), (2449, 264957), (2607, 248899), (2849, 227757), (2883, 225071), (2923, 221991), (3441, 188573), (6083, 106671), (6727, 96459), (7161, 90613), (7347, 88319), (8029, 80817), (8547, 75919), (8769, 73997), (10571, 61383), (12617, 51429), (17143, 37851), (18249, 35557), (20181, 32153), (20461, 31713), (24087, 26939)]