28093905

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 60410880

約数和(自身を除く): 32316975

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 49, 63, 93, 105, 135, 137, 147, 155, 189, 217, 245, 279, 315, 411, 441, 465, 651, 685, 735, 837, 945, 959, 1085, 1233, 1323, 1395, 1519, 1953, 2055, 2205, 2877, 3255, 3699, 4185, 4247, 4557, 4795, 5859, 6165, 6615, 6713, 7595, 8631, 9765, 12741, 13671, 14385, 18495, 20139, 21235, 22785, 25893, 29295, 29729, 33565, 38223, 41013, 43155, 60417, 63705, 68355, 89187, 100695, 114669, 129465, 148645, 181251, 191115, 205065, 208103, 267561, 302085, 445935, 573345, 624309, 802683, 906255, 1040515, 1337805, 1872927, 3121545, 4013415, 5618781, 9364635, 28093905]

約数ペア:

[(1, 28093905), (3, 9364635), (5, 5618781), (7, 4013415), (9, 3121545), (15, 1872927), (21, 1337805), (27, 1040515), (31, 906255), (35, 802683), (45, 624309), (49, 573345), (63, 445935), (93, 302085), (105, 267561), (135, 208103), (137, 205065), (147, 191115), (155, 181251), (189, 148645), (217, 129465), (245, 114669), (279, 100695), (315, 89187), (411, 68355), (441, 63705), (465, 60417), (651, 43155), (685, 41013), (735, 38223), (837, 33565), (945, 29729), (959, 29295), (1085, 25893), (1233, 22785), (1323, 21235), (1395, 20139), (1519, 18495), (1953, 14385), (2055, 13671), (2205, 12741), (2877, 9765), (3255, 8631), (3699, 7595), (4185, 6713), (4247, 6615), (4557, 6165), (4795, 5859)]