215514975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4703}}^1$

素因数の和:4776

約数の個数: 48

約数和(自身を含む): 391974912

約数和(自身を除く): 176459937

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 611, 705, 975, 1175, 1833, 3055, 3525, 4703, 9165, 14109, 15275, 23515, 45825, 61139, 70545, 117575, 183417, 221041, 305695, 352725, 663123, 917085, 1105205, 1528475, 2873533, 3315615, 4585425, 5526025, 8620599, 14367665, 16578075, 43102995, 71838325, 215514975]

約数ペア:

[(1, 215514975), (3, 71838325), (5, 43102995), (13, 16578075), (15, 14367665), (25, 8620599), (39, 5526025), (47, 4585425), (65, 3315615), (75, 2873533), (141, 1528475), (195, 1105205), (235, 917085), (325, 663123), (611, 352725), (705, 305695), (975, 221041), (1175, 183417), (1833, 117575), (3055, 70545), (3525, 61139), (4703, 45825), (9165, 23515), (14109, 15275)]