28802475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 57097040

約数和(自身を除く): 28294565

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 43, 45, 65, 75, 117, 129, 195, 215, 225, 229, 325, 387, 559, 585, 645, 687, 975, 1075, 1145, 1677, 1935, 2061, 2795, 2925, 2977, 3225, 3435, 5031, 5725, 8385, 8931, 9675, 9847, 10305, 13975, 14885, 17175, 25155, 26793, 29541, 41925, 44655, 49235, 51525, 74425, 88623, 125775, 128011, 133965, 147705, 223275, 246175, 384033, 443115, 640055, 669825, 738525, 1152099, 1920165, 2215575, 3200275, 5760495, 9600825, 28802475]

約数ペア:

[(1, 28802475), (3, 9600825), (5, 5760495), (9, 3200275), (13, 2215575), (15, 1920165), (25, 1152099), (39, 738525), (43, 669825), (45, 640055), (65, 443115), (75, 384033), (117, 246175), (129, 223275), (195, 147705), (215, 133965), (225, 128011), (229, 125775), (325, 88623), (387, 74425), (559, 51525), (585, 49235), (645, 44655), (687, 41925), (975, 29541), (1075, 26793), (1145, 25155), (1677, 17175), (1935, 14885), (2061, 13975), (2795, 10305), (2925, 9847), (2977, 9675), (3225, 8931), (3435, 8385), (5031, 5725)]