418875015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{6907}}^1$

素因数の和:7239

約数の個数: 32

約数和(自身を含む): 724179456

約数和(自身を除く): 305304441

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 311, 933, 1555, 4043, 4665, 6907, 12129, 20215, 20721, 34535, 60645, 89791, 103605, 269373, 448955, 1346865, 2148077, 6444231, 10740385, 27925001, 32221155, 83775003, 139625005, 418875015]

約数ペア:

[(1, 418875015), (3, 139625005), (5, 83775003), (13, 32221155), (15, 27925001), (39, 10740385), (65, 6444231), (195, 2148077), (311, 1346865), (933, 448955), (1555, 269373), (4043, 103605), (4665, 89791), (6907, 60645), (12129, 34535), (20215, 20721)]