25315695

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 47829600

約数和(自身を除く): 22513905

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1021, 1305, 1653, 2755, 3063, 4959, 5105, 8265, 9189, 15315, 19399, 24795, 29609, 45945, 58197, 88827, 96995, 148045, 174591, 266481, 290985, 444135, 562571, 872955, 1332405, 1687713, 2812855, 5063139, 8438565, 25315695]

約数ペア:

[(1, 25315695), (3, 8438565), (5, 5063139), (9, 2812855), (15, 1687713), (19, 1332405), (29, 872955), (45, 562571), (57, 444135), (87, 290985), (95, 266481), (145, 174591), (171, 148045), (261, 96995), (285, 88827), (435, 58197), (551, 45945), (855, 29609), (1021, 24795), (1305, 19399), (1653, 15315), (2755, 9189), (3063, 8265), (4959, 5105)]