61745085

素因数分解:

$3^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 112432320

約数和(自身を除く): 50687235

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 243, 267, 405, 445, 571, 801, 1215, 1335, 1713, 2403, 2855, 4005, 5139, 7209, 8565, 12015, 15417, 21627, 25695, 36045, 46251, 50819, 77085, 108135, 138753, 152457, 231255, 254095, 457371, 693765, 762285, 1372113, 2286855, 4116339, 6860565, 12349017, 20581695, 61745085]

約数ペア:

[(1, 61745085), (3, 20581695), (5, 12349017), (9, 6860565), (15, 4116339), (27, 2286855), (45, 1372113), (81, 762285), (89, 693765), (135, 457371), (243, 254095), (267, 231255), (405, 152457), (445, 138753), (571, 108135), (801, 77085), (1215, 50819), (1335, 46251), (1713, 36045), (2403, 25695), (2855, 21627), (4005, 15417), (5139, 12015), (7209, 8565)]