42805665

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{719}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 89631360

約数和(自身を除く): 46825695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 315, 405, 441, 567, 719, 735, 945, 1215, 1323, 1701, 2157, 2205, 2835, 3595, 3969, 5033, 6471, 6615, 8505, 10785, 11907, 15099, 19413, 19845, 25165, 32355, 35231, 45297, 58239, 59535, 75495, 97065, 105693, 135891, 174717, 176155, 226485, 291195, 317079, 407673, 528465, 679455, 873585, 951237, 1223019, 1585395, 2038365, 2853711, 4756185, 6115095, 8561133, 14268555, 42805665]

約数ペア:

[(1, 42805665), (3, 14268555), (5, 8561133), (7, 6115095), (9, 4756185), (15, 2853711), (21, 2038365), (27, 1585395), (35, 1223019), (45, 951237), (49, 873585), (63, 679455), (81, 528465), (105, 407673), (135, 317079), (147, 291195), (189, 226485), (243, 176155), (245, 174717), (315, 135891), (405, 105693), (441, 97065), (567, 75495), (719, 59535), (735, 58239), (945, 45297), (1215, 35231), (1323, 32355), (1701, 25165), (2157, 19845), (2205, 19413), (2835, 15099), (3595, 11907), (3969, 10785), (5033, 8505), (6471, 6615)]