1964925

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 3749760

約数和(自身を除く): 1784835

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 71, 75, 123, 135, 205, 213, 225, 355, 369, 615, 639, 675, 1025, 1065, 1107, 1775, 1845, 1917, 2911, 3075, 3195, 5325, 5535, 8733, 9225, 9585, 14555, 15975, 26199, 27675, 43665, 47925, 72775, 78597, 130995, 218325, 392985, 654975, 1964925]

約数ペア:

[(1, 1964925), (3, 654975), (5, 392985), (9, 218325), (15, 130995), (25, 78597), (27, 72775), (41, 47925), (45, 43665), (71, 27675), (75, 26199), (123, 15975), (135, 14555), (205, 9585), (213, 9225), (225, 8733), (355, 5535), (369, 5325), (615, 3195), (639, 3075), (675, 2911), (1025, 1917), (1065, 1845), (1107, 1775)]