209968395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1523}}^1$

素因数の和:1652

約数の個数: 64

約数和(自身を含む): 417844224

約数和(自身を除く): 207875829

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 101, 105, 195, 273, 303, 455, 505, 707, 1313, 1365, 1515, 1523, 2121, 3535, 3939, 4569, 6565, 7615, 9191, 10605, 10661, 19695, 19799, 22845, 27573, 31983, 45955, 53305, 59397, 98995, 137865, 138593, 153823, 159915, 296985, 415779, 461469, 692965, 769115, 1076761, 1999699, 2078895, 2307345, 3230283, 5383805, 5999097, 9998495, 13997893, 16151415, 29995485, 41993679, 69989465, 209968395]

約数ペア:

[(1, 209968395), (3, 69989465), (5, 41993679), (7, 29995485), (13, 16151415), (15, 13997893), (21, 9998495), (35, 5999097), (39, 5383805), (65, 3230283), (91, 2307345), (101, 2078895), (105, 1999699), (195, 1076761), (273, 769115), (303, 692965), (455, 461469), (505, 415779), (707, 296985), (1313, 159915), (1365, 153823), (1515, 138593), (1523, 137865), (2121, 98995), (3535, 59397), (3939, 53305), (4569, 45955), (6565, 31983), (7615, 27573), (9191, 22845), (10605, 19799), (10661, 19695)]