38778525

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 75054720

約数和(自身を除く): 36276195

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 47, 57, 75, 95, 141, 171, 193, 225, 235, 285, 423, 475, 579, 705, 855, 893, 965, 1175, 1425, 1737, 2115, 2679, 2895, 3525, 3667, 4275, 4465, 4825, 8037, 8685, 9071, 10575, 11001, 13395, 14475, 18335, 22325, 27213, 33003, 40185, 43425, 45355, 55005, 66975, 81639, 91675, 136065, 165015, 172349, 200925, 226775, 275025, 408195, 517047, 680325, 825075, 861745, 1551141, 2040975, 2585235, 4308725, 7755705, 12926175, 38778525]

約数ペア:

[(1, 38778525), (3, 12926175), (5, 7755705), (9, 4308725), (15, 2585235), (19, 2040975), (25, 1551141), (45, 861745), (47, 825075), (57, 680325), (75, 517047), (95, 408195), (141, 275025), (171, 226775), (193, 200925), (225, 172349), (235, 165015), (285, 136065), (423, 91675), (475, 81639), (579, 66975), (705, 55005), (855, 45355), (893, 43425), (965, 40185), (1175, 33003), (1425, 27213), (1737, 22325), (2115, 18335), (2679, 14475), (2895, 13395), (3525, 11001), (3667, 10575), (4275, 9071), (4465, 8685), (4825, 8037)]