157973775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5440

約数の個数: 48

約数和(自身を含む): 288624384

約数和(自身を除く): 130650609

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 1173, 1275, 1725, 1955, 5387, 5865, 9775, 16161, 26935, 29325, 80805, 91579, 123901, 134675, 274737, 371703, 404025, 457895, 619505, 1373685, 1858515, 2106317, 2289475, 3097525, 6318951, 6868425, 9292575, 10531585, 31594755, 52657925, 157973775]

約数ペア:

[(1, 157973775), (3, 52657925), (5, 31594755), (15, 10531585), (17, 9292575), (23, 6868425), (25, 6318951), (51, 3097525), (69, 2289475), (75, 2106317), (85, 1858515), (115, 1373685), (255, 619505), (345, 457895), (391, 404025), (425, 371703), (575, 274737), (1173, 134675), (1275, 123901), (1725, 91579), (1955, 80805), (5387, 29325), (5865, 26935), (9775, 16161)]