16691025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 33747840

約数和(自身を除く): 17056815

約数列:

[1, 3, 5, 13, 15, 17, 19, 25, 39, 51, 53, 57, 65, 75, 85, 95, 159, 195, 221, 247, 255, 265, 285, 323, 325, 425, 475, 663, 689, 741, 795, 901, 969, 975, 1007, 1105, 1235, 1275, 1325, 1425, 1615, 2067, 2703, 3021, 3315, 3445, 3705, 3975, 4199, 4505, 4845, 5035, 5525, 6175, 8075, 10335, 11713, 12597, 13091, 13515, 15105, 16575, 17119, 17225, 18525, 20995, 22525, 24225, 25175, 35139, 39273, 51357, 51675, 58565, 62985, 65455, 67575, 75525, 85595, 104975, 175695, 196365, 222547, 256785, 292825, 314925, 327275, 427975, 667641, 878475, 981825, 1112735, 1283925, 3338205, 5563675, 16691025]

約数ペア:

[(1, 16691025), (3, 5563675), (5, 3338205), (13, 1283925), (15, 1112735), (17, 981825), (19, 878475), (25, 667641), (39, 427975), (51, 327275), (53, 314925), (57, 292825), (65, 256785), (75, 222547), (85, 196365), (95, 175695), (159, 104975), (195, 85595), (221, 75525), (247, 67575), (255, 65455), (265, 62985), (285, 58565), (323, 51675), (325, 51357), (425, 39273), (475, 35139), (663, 25175), (689, 24225), (741, 22525), (795, 20995), (901, 18525), (969, 17225), (975, 17119), (1007, 16575), (1105, 15105), (1235, 13515), (1275, 13091), (1325, 12597), (1425, 11713), (1615, 10335), (2067, 8075), (2703, 6175), (3021, 5525), (3315, 5035), (3445, 4845), (3705, 4505), (3975, 4199)]