71423955

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 129168000

約数和(自身を除く): 57744045

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 229, 239, 261, 435, 687, 717, 1145, 1195, 1305, 2061, 2151, 3435, 3585, 6641, 6931, 10305, 10755, 19923, 20793, 33205, 34655, 54731, 59769, 62379, 99615, 103965, 164193, 273655, 298845, 311895, 492579, 820965, 1587199, 2462895, 4761597, 7935995, 14284791, 23807985, 71423955]

約数ペア:

[(1, 71423955), (3, 23807985), (5, 14284791), (9, 7935995), (15, 4761597), (29, 2462895), (45, 1587199), (87, 820965), (145, 492579), (229, 311895), (239, 298845), (261, 273655), (435, 164193), (687, 103965), (717, 99615), (1145, 62379), (1195, 59769), (1305, 54731), (2061, 34655), (2151, 33205), (3435, 20793), (3585, 19923), (6641, 10755), (6931, 10305)]