128416995

素因数分解:

$3^6\times 5^1\times 7^2\times {\mathrm{719}}^1$

素因数の和:756

約数の個数: 84

約数和(自身を含む): 269140320

約数和(自身を除く): 140723325

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, 729, 735, 945, 1215, 1323, 1701, 2157, 2205, 2835, 3595, 3645, 3969, 5033, 5103, 6471, 6615, 8505, 10785, 11907, 15099, 19413, 19845, 25165, 25515, 32355, 35231, 35721, 45297, 58239, 59535, 75495, 97065, 105693, 135891, 174717, 176155, 178605, 226485, 291195, 317079, 407673, 524151, 528465, 679455, 873585, 951237, 1223019, 1585395, 2038365, 2620755, 2853711, 3669057, 4756185, 6115095, 8561133, 14268555, 18345285, 25683399, 42805665, 128416995]

約数ペア:

[(1, 128416995), (3, 42805665), (5, 25683399), (7, 18345285), (9, 14268555), (15, 8561133), (21, 6115095), (27, 4756185), (35, 3669057), (45, 2853711), (49, 2620755), (63, 2038365), (81, 1585395), (105, 1223019), (135, 951237), (147, 873585), (189, 679455), (243, 528465), (245, 524151), (315, 407673), (405, 317079), (441, 291195), (567, 226485), (719, 178605), (729, 176155), (735, 174717), (945, 135891), (1215, 105693), (1323, 97065), (1701, 75495), (2157, 59535), (2205, 58239), (2835, 45297), (3595, 35721), (3645, 35231), (3969, 32355), (5033, 25515), (5103, 25165), (6471, 19845), (6615, 19413), (8505, 15099), (10785, 11907)]