20172935223

素因数分解:

$3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{238781}}^1$

素因数の和:238949

約数の個数: 40

約数和(自身を含む): 34671146400

約数和(自身を除く): 14498211177

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 447, 567, 1043, 1341, 3129, 4023, 9387, 12069, 28161, 84483, 238781, 716343, 1671467, 2149029, 5014401, 6447087, 15043203, 19341261, 35578369, 45129609, 106735107, 135388827, 249048583, 320205321, 747145749, 960615963, 2241437247, 2881847889, 6724311741, 20172935223]

約数ペア:

[(1, 20172935223), (3, 6724311741), (7, 2881847889), (9, 2241437247), (21, 960615963), (27, 747145749), (63, 320205321), (81, 249048583), (149, 135388827), (189, 106735107), (447, 45129609), (567, 35578369), (1043, 19341261), (1341, 15043203), (3129, 6447087), (4023, 5014401), (9387, 2149029), (12069, 1671467), (28161, 716343), (84483, 238781)]