31348425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 57317760

約数和(自身を除く): 25969335

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 1069, 1173, 1275, 1725, 1955, 3207, 5345, 5865, 9775, 16035, 18173, 24587, 26725, 29325, 54519, 73761, 80175, 90865, 122935, 272595, 368805, 417979, 454325, 614675, 1253937, 1362975, 1844025, 2089895, 6269685, 10449475, 31348425]

約数ペア:

[(1, 31348425), (3, 10449475), (5, 6269685), (15, 2089895), (17, 1844025), (23, 1362975), (25, 1253937), (51, 614675), (69, 454325), (75, 417979), (85, 368805), (115, 272595), (255, 122935), (345, 90865), (391, 80175), (425, 73761), (575, 54519), (1069, 29325), (1173, 26725), (1275, 24587), (1725, 18173), (1955, 16035), (3207, 9775), (5345, 5865)]