1378904715

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{829}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 2550497040

約数和(自身を除く): 1171592325

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 243, 333, 405, 555, 829, 999, 1215, 1369, 1665, 2487, 2997, 4107, 4145, 4995, 6845, 7461, 8991, 12321, 12435, 14985, 20535, 22383, 30673, 36963, 37305, 44955, 61605, 67149, 92019, 110889, 111915, 153365, 184815, 201447, 276057, 332667, 335745, 460095, 554445, 828171, 1007235, 1134901, 1380285, 1663335, 2484513, 3404703, 4140855, 5674505, 7453539, 10214109, 12422565, 17023515, 30642327, 37267695, 51070545, 91926981, 153211635, 275780943, 459634905, 1378904715]

約数ペア:

[(1, 1378904715), (3, 459634905), (5, 275780943), (9, 153211635), (15, 91926981), (27, 51070545), (37, 37267695), (45, 30642327), (81, 17023515), (111, 12422565), (135, 10214109), (185, 7453539), (243, 5674505), (333, 4140855), (405, 3404703), (555, 2484513), (829, 1663335), (999, 1380285), (1215, 1134901), (1369, 1007235), (1665, 828171), (2487, 554445), (2997, 460095), (4107, 335745), (4145, 332667), (4995, 276057), (6845, 201447), (7461, 184815), (8991, 153365), (12321, 111915), (12435, 110889), (14985, 92019), (20535, 67149), (22383, 61605), (30673, 44955), (36963, 37305)]