28925163

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 46425600

約数和(自身を除く): 17500437

約数列:

[1, 3, 9, 19, 47, 57, 59, 61, 141, 171, 177, 183, 423, 531, 549, 893, 1121, 1159, 2679, 2773, 2867, 3363, 3477, 3599, 8037, 8319, 8601, 10089, 10431, 10797, 24957, 25803, 32391, 52687, 54473, 68381, 158061, 163419, 169153, 205143, 474183, 490257, 507459, 615429, 1522377, 3213907, 9641721, 28925163]

約数ペア:

[(1, 28925163), (3, 9641721), (9, 3213907), (19, 1522377), (47, 615429), (57, 507459), (59, 490257), (61, 474183), (141, 205143), (171, 169153), (177, 163419), (183, 158061), (423, 68381), (531, 54473), (549, 52687), (893, 32391), (1121, 25803), (1159, 24957), (2679, 10797), (2773, 10431), (2867, 10089), (3363, 8601), (3477, 8319), (3599, 8037)]