29780505

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 55323840

約数和(自身を除く): 25543335

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 549, 571, 855, 915, 1159, 1713, 2745, 2855, 3477, 5139, 5795, 8565, 10431, 10849, 17385, 25695, 32547, 34831, 52155, 54245, 97641, 104493, 162735, 174155, 313479, 488205, 522465, 661789, 1567395, 1985367, 3308945, 5956101, 9926835, 29780505]

約数ペア:

[(1, 29780505), (3, 9926835), (5, 5956101), (9, 3308945), (15, 1985367), (19, 1567395), (45, 661789), (57, 522465), (61, 488205), (95, 313479), (171, 174155), (183, 162735), (285, 104493), (305, 97641), (549, 54245), (571, 52155), (855, 34831), (915, 32547), (1159, 25695), (1713, 17385), (2745, 10849), (2855, 10431), (3477, 8565), (5139, 5795)]