131497455

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 228251520

約数和(自身を除く): 96754065

約数列:

[1, 3, 5, 15, 29, 41, 73, 87, 101, 123, 145, 205, 219, 303, 365, 435, 505, 615, 1095, 1189, 1515, 2117, 2929, 2993, 3567, 4141, 5945, 6351, 7373, 8787, 8979, 10585, 12423, 14645, 14965, 17835, 20705, 22119, 31755, 36865, 43935, 44895, 62115, 86797, 110595, 120089, 213817, 260391, 302293, 360267, 433985, 600445, 641451, 906879, 1069085, 1301955, 1511465, 1801335, 3207255, 4534395, 8766497, 26299491, 43832485, 131497455]

約数ペア:

[(1, 131497455), (3, 43832485), (5, 26299491), (15, 8766497), (29, 4534395), (41, 3207255), (73, 1801335), (87, 1511465), (101, 1301955), (123, 1069085), (145, 906879), (205, 641451), (219, 600445), (303, 433985), (365, 360267), (435, 302293), (505, 260391), (615, 213817), (1095, 120089), (1189, 110595), (1515, 86797), (2117, 62115), (2929, 44895), (2993, 43935), (3567, 36865), (4141, 31755), (5945, 22119), (6351, 20705), (7373, 17835), (8787, 14965), (8979, 14645), (10585, 12423)]